28594372 has 12 divisors (see below), whose sum is σ = 50090796. Its totient is φ = 14282720.

The previous prime is 28594337. The next prime is 28594381. The reversal of 28594372 is 27349582.

It can be written as a sum of positive squares in 2 ways, for example, as 14032516 + 14561856 = 3746^2 + 3816^2 .

It is a super-2 number, since 2×28594372² = 1635276220148768, which contains 22 as substring.

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, 1698 + ... + 7750.

It is an arithmetic number, because the mean of its divisors is an integer number (4174233).

Almost surely, 2^28594372 is an apocalyptic number.

It is an amenable number.

28594372 is a deficient number, since it is larger than the sum of its proper divisors (21496424).

28594372 is a wasteful number, since it uses less digits than its factorization.

28594372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238 (or 7236 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 28594372 is about 5347.3705687936. The cubic root of 28594372 is about 305.7925174432.

The spelling of 28594372 in words is "twenty-eight million, five hundred ninety-four thousand, three hundred seventy-two".