28608492 has 24 divisors (see below), whose sum is σ = 72821952. Its totient is φ = 8669200.

The previous prime is 28608473. The next prime is 28608493. The reversal of 28608492 is 29480682.

It is a self number, because there is not a number n which added to its sum of digits gives 28608492.

It is not an unprimeable number, because it can be changed into a prime (28608493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108234 + ... + 108497.

It is an arithmetic number, because the mean of its divisors is an integer number (3034248).

Almost surely, 2^28608492 is an apocalyptic number.

28608492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28608492 is an abundant number, since it is smaller than the sum of its proper divisors (44213460).

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

28608492 is a wasteful number, since it uses less digits than its factorization.

28608492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216749 (or 216747 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28608492 is about 5348.6906809050. The cubic root of 28608492 is about 305.8428429621.

The spelling of 28608492 in words is "twenty-eight million, six hundred eight thousand, four hundred ninety-two".