28490496 has 36 divisors (see below), whose sum is σ = 75828312. Its totient is φ = 9496576.

The previous prime is 28490489. The next prime is 28490509. The reversal of 28490496 is 69409482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17781 + ... + 19316.

It is an arithmetic number, because the mean of its divisors is an integer number (2106342).

Almost surely, 2^28490496 is an apocalyptic number.

It is an amenable number.

28490496 is an abundant number, since it is smaller than the sum of its proper divisors (47337816).

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

28490496 is an equidigital number, since it uses as much as digits as its factorization.

28490496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37116 (or 37102 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 28490496 is about 5337.6489206391. The cubic root of 28490496 is about 305.4217796229.

The spelling of 28490496 in words is "twenty-eight million, four hundred ninety thousand, four hundred ninety-six".