28617468 has 36 divisors (see below), whose sum is σ = 73400040. Its totient is φ = 8671520.

The previous prime is 28617431. The next prime is 28617481. The reversal of 28617468 is 86471682.

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, 8403 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (2038890).

Almost surely, 2^28617468 is an apocalyptic number.

It is an amenable number.

28617468 is an abundant number, since it is smaller than the sum of its proper divisors (44782572).

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

28617468 is a wasteful number, since it uses less digits than its factorization.

28617468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738 (or 19725 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 28617468 is about 5349.5296989549. The cubic root of 28617468 is about 305.8748259866.

The spelling of 28617468 in words is "twenty-eight million, six hundred seventeen thousand, four hundred sixty-eight".