28792616 has 16 divisors (see below), whose sum is σ = 54136500. Its totient is φ = 14356224.

The previous prime is 28792591. The next prime is 28792627. The reversal of 28792616 is 61629782.

It can be written as a sum of positive squares in 2 ways, for example, as 27604516 + 1188100 = 5254^2 + 1090^2 .

It is a super-2 number, since 2×28792616² = 1658029472246912, which contains 22 as substring.

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, 1841 + ... + 7808.

Almost surely, 2^28792616 is an apocalyptic number.

It is an amenable number.

28792616 is a deficient number, since it is larger than the sum of its proper divisors (25343884).

28792616 is a wasteful number, since it uses less digits than its factorization.

28792616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10028 (or 10024 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 28792616 is about 5365.8751383162. The cubic root of 28792616 is about 306.4975742884.

The spelling of 28792616 in words is "twenty-eight million, seven hundred ninety-two thousand, six hundred sixteen".