28590152 has 8 divisors (see below), whose sum is σ = 53606550. Its totient is φ = 14295072.

The previous prime is 28590139. The next prime is 28590181. The reversal of 28590152 is 25109582.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 8213956 = 4514^2 + 2866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1786877 + ... + 1786892.

Almost surely, 2^28590152 is an apocalyptic number.

It is an amenable number.

28590152 is a deficient number, since it is larger than the sum of its proper divisors (25016398).

28590152 is a wasteful number, since it uses less digits than its factorization.

28590152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573775 (or 3573771 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 28590152 is about 5346.9759677784. The cubic root of 28590152 is about 305.7774735981. Note that the first 3 decimals are identical.

The spelling of 28590152 in words is "twenty-eight million, five hundred ninety thousand, one hundred fifty-two".