8625428 has 12 divisors (see below), whose sum is σ = 17250912. Its totient is φ = 3696600.

The previous prime is 8625359. The next prime is 8625431. The reversal of 8625428 is 8245268.

8625428 is an admirable number.

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, 153998 + ... + 154053.

It is an arithmetic number, because the mean of its divisors is an integer number (1437576).

Almost surely, 2^8625428 is an apocalyptic number.

It is an amenable number.

8625428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8625428 is a wasteful number, since it uses less digits than its factorization.

8625428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308062 (or 308060 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 8625428 is about 2936.9078977728. The cubic root of 8625428 is about 205.0816886420.

The spelling of 8625428 in words is "eight million, six hundred twenty-five thousand, four hundred twenty-eight".