7900628 has 12 divisors (see below), whose sum is σ = 13869492. Its totient is φ = 3937920.

The previous prime is 7900609. The next prime is 7900663. The reversal of 7900628 is 8260097.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 5071504 = 1682^2 + 2252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7900594 and 7900603.

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, 1583 + ... + 4278.

It is an arithmetic number, because the mean of its divisors is an integer number (1155791).

Almost surely, 2^7900628 is an apocalyptic number.

It is an amenable number.

7900628 is a deficient number, since it is larger than the sum of its proper divisors (5968864).

7900628 is a wasteful number, since it uses less digits than its factorization.

7900628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6200 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7900628 is about 2810.8055784775. The cubic root of 7900628 is about 199.1684473930.

The spelling of 7900628 in words is "seven million, nine hundred thousand, six hundred twenty-eight".