28490792 has 16 divisors (see below), whose sum is σ = 58276800. Its totient is φ = 12950320.

The previous prime is 28490771. The next prime is 28490801. The reversal of 28490792 is 29709482.

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, 161792 + ... + 161967.

It is an arithmetic number, because the mean of its divisors is an integer number (3642300).

Almost surely, 2^28490792 is an apocalyptic number.

28490792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28490792 is an abundant number, since it is smaller than the sum of its proper divisors (29786008).

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

28490792 is a wasteful number, since it uses less digits than its factorization.

28490792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323776 (or 323772 counting only the distinct ones).

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

The square root of 28490792 is about 5337.6766481307. The cubic root of 28490792 is about 305.4228373385.

The spelling of 28490792 in words is "twenty-eight million, four hundred ninety thousand, seven hundred ninety-two".