828615928 has 16 divisors (see below), whose sum is σ = 1775605680. Its totient is φ = 355121088.

The previous prime is 828615889. The next prime is 828615961. The reversal of 828615928 is 829516828.

It is a super-2 number, since 2×828615928² = 1373208712270602368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7398301 + ... + 7398412.

It is an arithmetic number, because the mean of its divisors is an integer number (110975355).

Almost surely, 2^828615928 is an apocalyptic number.

It is an amenable number.

828615928 is an abundant number, since it is smaller than the sum of its proper divisors (946989752).

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

828615928 is a wasteful number, since it uses less digits than its factorization.

828615928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796726 (or 14796722 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The square root of 828615928 is about 28785.6896391245. The cubic root of 828615928 is about 939.2569682734.

The spelling of 828615928 in words is "eight hundred twenty-eight million, six hundred fifteen thousand, nine hundred twenty-eight".