28412232 has 16 divisors (see below), whose sum is σ = 71030640. Its totient is φ = 9470736.

The previous prime is 28412183. The next prime is 28412249. The reversal of 28412232 is 23221482.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1183843 = 28412232 / (2 + 8 + 4 + 1 + 2 + 2 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

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, 591898 + ... + 591945.

It is an arithmetic number, because the mean of its divisors is an integer number (4439415).

Almost surely, 2^28412232 is an apocalyptic number.

It is an amenable number.

28412232 is an abundant number, since it is smaller than the sum of its proper divisors (42618408).

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

28412232 is a wasteful number, since it uses less digits than its factorization.

28412232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183852 (or 1183848 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 28412232 is about 5330.3125611919. The cubic root of 28412232 is about 305.1418564342.

The spelling of 28412232 in words is "twenty-eight million, four hundred twelve thousand, two hundred thirty-two".