28547464 has 16 divisors (see below), whose sum is σ = 58392720. Its totient is φ = 12976080.

The previous prime is 28547459. The next prime is 28547473. The reversal of 28547464 is 46474582.

It is a happy number.

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, 162114 + ... + 162289.

It is an arithmetic number, because the mean of its divisors is an integer number (3649545).

Almost surely, 2^28547464 is an apocalyptic number.

It is an amenable number.

28547464 is an abundant number, since it is smaller than the sum of its proper divisors (29845256).

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

28547464 is a wasteful number, since it uses less digits than its factorization.

28547464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324420 (or 324416 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 28547464 is about 5342.9826876006. The cubic root of 28547464 is about 305.6252121867.

The spelling of 28547464 in words is "twenty-eight million, five hundred forty-seven thousand, four hundred sixty-four".