Number of the day: 828606

Properties of the number 828606:

828606 = 2 × 3 × 138101 is a sphenic number and squarefree.
828606 has 3 distinct prime factors, 8 divisors, 9 antidivisors and 276200 totatives.
828606 has a sphenic digit sum 30 in base 10.
828606 has an oblong digit sum 30 in base 10.
828606 is the sum of 2 positive triangular numbers.
828606 is the difference of 2 positive pentagonal numbers in 2 ways.
828606 = 5² + 166² + 895² is the sum of 3 positive squares.
828606² = 215694² + 800040² is the sum of 2 positive squares in 1 way.
828606² is the sum of 3 positive squares.
828606 is a divisor of 751¹³⁸¹ - 1.