7900828 has 12 divisors (see below), whose sum is σ = 14890120. Its totient is φ = 3646512.

The previous prime is 7900817. The next prime is 7900829. The reversal of 7900828 is 8280097.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7900793 and 7900802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75918 + ... + 76021.

Almost surely, 2^7900828 is an apocalyptic number.

It is an amenable number.

7900828 is a deficient number, since it is larger than the sum of its proper divisors (6989292).

7900828 is a wasteful number, since it uses less digits than its factorization.

7900828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151956 (or 151954 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 7900828 is about 2810.8411552416. The cubic root of 7900828 is about 199.1701279916.

The spelling of 7900828 in words is "seven million, nine hundred thousand, eight hundred twenty-eight".