28433032 has 16 divisors (see below), whose sum is σ = 53370000. Its totient is φ = 14201040.

The previous prime is 28433017. The next prime is 28433033. The reversal of 28433032 is 23033482.

It is a junction number, because it is equal to n+sod(n) for n = 28432988 and 28433006.

It is not an unprimeable number, because it can be changed into a prime (28433033) 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, 10807 + ... + 13177.

It is an arithmetic number, because the mean of its divisors is an integer number (3335625).

Almost surely, 2^28433032 is an apocalyptic number.

It is an amenable number.

28433032 is a deficient number, since it is larger than the sum of its proper divisors (24936968).

28433032 is a wasteful number, since it uses less digits than its factorization.

28433032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 28433032 is about 5332.2633093275. The cubic root of 28433032 is about 305.2163009249.

The spelling of 28433032 in words is "twenty-eight million, four hundred thirty-three thousand, thirty-two".