28630926 has 24 divisors (see below), whose sum is σ = 62353200. Its totient is φ = 9494496.

The previous prime is 28630867. The next prime is 28630939. The reversal of 28630926 is 62903682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (2598050).

Almost surely, 2^28630926 is an apocalyptic number.

28630926 is an abundant number, since it is smaller than the sum of its proper divisors (33722274).

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

28630926 is a wasteful number, since it uses less digits than its factorization.

28630926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200 (or 8197 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 28630926 is about 5350.7874186890. The cubic root of 28630926 is about 305.9227666161.

The spelling of 28630926 in words is "twenty-eight million, six hundred thirty thousand, nine hundred twenty-six".