28734932 has 24 divisors (see below), whose sum is σ = 52157952. Its totient is φ = 13841600.

The previous prime is 28734931. The next prime is 28734941. The reversal of 28734932 is 23943782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28734931) 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, 12557 + ... + 14667.

It is an arithmetic number, because the mean of its divisors is an integer number (2173248).

Almost surely, 2^28734932 is an apocalyptic number.

It is an amenable number.

28734932 is a deficient number, since it is larger than the sum of its proper divisors (23423020).

28734932 is a wasteful number, since it uses less digits than its factorization.

28734932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239 (or 2237 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 28734932 is about 5360.4973649840. The cubic root of 28734932 is about 306.2927552691.

The spelling of 28734932 in words is "twenty-eight million, seven hundred thirty-four thousand, nine hundred thirty-two".