28490264 has 32 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 12890400.

The previous prime is 28490263. The next prime is 28490279. The reversal of 28490264 is 46209482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28490263) 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, 22529 + ... + 23759.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^28490264 is an apocalyptic number.

It is an amenable number.

28490264 is an abundant number, since it is smaller than the sum of its proper divisors (30054376).

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

28490264 is a wasteful number, since it uses less digits than its factorization.

28490264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 28490264 is about 5337.6271881802. The cubic root of 28490264 is about 305.4209505973.

The spelling of 28490264 in words is "twenty-eight million, four hundred ninety thousand, two hundred sixty-four".