28059232 has 12 divisors (see below), whose sum is σ = 55241676. Its totient is φ = 14029600.

The previous prime is 28059221. The next prime is 28059259. The reversal of 28059232 is 23295082.

It is a junction number, because it is equal to n+sod(n) for n = 28059194 and 28059203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438394 + ... + 438457.

It is an arithmetic number, because the mean of its divisors is an integer number (4603473).

Almost surely, 2^28059232 is an apocalyptic number.

It is an amenable number.

28059232 is a deficient number, since it is larger than the sum of its proper divisors (27182444).

28059232 is an equidigital number, since it uses as much as digits as its factorization.

28059232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876861 (or 876853 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28059232 is about 5297.0965632127. The cubic root of 28059232 is about 303.8728692799.

The spelling of 28059232 in words is "twenty-eight million, fifty-nine thousand, two hundred thirty-two".