828620 has 24 divisors (see below), whose sum is σ = 1874544. Its totient is φ = 305856.

The previous prime is 828601. The next prime is 828637. The reversal of 828620 is 26828.

It is a super-2 number, since 2×828620² = 1373222208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 828620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (78106).

2⁸²⁸⁶²⁰ is an apocalyptic number.

It is an amenable number.

828620 is an abundant number, since it is smaller than the sum of its proper divisors (1045924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828620 is a wasteful number, since it uses less digits than its factorization.

828620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 828620 is about 910.2856694467. The cubic root of 828620 is about 93.9258506842.

The spelling of 828620 in words is "eight hundred twenty-eight thousand, six hundred twenty".