28104152 has 8 divisors (see below), whose sum is σ = 52695300. Its totient is φ = 14052072.

The previous prime is 28104133. The next prime is 28104163. The reversal of 28104152 is 25140182.

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

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, 1756502 + ... + 1756517.

Almost surely, 2^28104152 is an apocalyptic number.

It is an amenable number.

28104152 is a deficient number, since it is larger than the sum of its proper divisors (24591148).

28104152 is a wasteful number, since it uses less digits than its factorization.

28104152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513025 (or 3513021 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 28104152 is about 5301.3349262238. The cubic root of 28104152 is about 304.0349394283.

The spelling of 28104152 in words is "twenty-eight million, one hundred four thousand, one hundred fifty-two".