28174232 has 16 divisors (see below), whose sum is σ = 53372760. Its totient is φ = 13941504.

The previous prime is 28174231. The next prime is 28174243. The reversal of 28174232 is 23247182.

It is a junction number, because it is equal to n+sod(n) for n = 28174195 and 28174204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28174231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17378 + ... + 18929.

Almost surely, 2^28174232 is an apocalyptic number.

It is an amenable number.

28174232 is a deficient number, since it is larger than the sum of its proper divisors (25198528).

28174232 is a wasteful number, since it uses less digits than its factorization.

28174232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36410 (or 36406 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 28174232 is about 5307.9404668854. The cubic root of 28174232 is about 304.2874416564.

The spelling of 28174232 in words is "twenty-eight million, one hundred seventy-four thousand, two hundred thirty-two".