28338032 has 20 divisors (see below), whose sum is σ = 56183160. Its totient is φ = 13839168.

The previous prime is 28337983. The next prime is 28338049. The reversal of 28338032 is 23083382.

It is a junction number, because it is equal to n+sod(n) for n = 28337986 and 28338004.

It is a congruent 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, 19907 + ... + 21282.

It is an arithmetic number, because the mean of its divisors is an integer number (2809158).

Almost surely, 2^28338032 is an apocalyptic number.

It is an amenable number.

28338032 is a deficient number, since it is larger than the sum of its proper divisors (27845128).

28338032 is a wasteful number, since it uses less digits than its factorization.

28338032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41240 (or 41234 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 28338032 is about 5323.3478188073. The cubic root of 28338032 is about 304.8759936627.

The spelling of 28338032 in words is "twenty-eight million, three hundred thirty-eight thousand, thirty-two".