28256152 has 8 divisors (see below), whose sum is σ = 52980300. Its totient is φ = 14128072.

The previous prime is 28256141. The next prime is 28256161. The reversal of 28256152 is 25165282.

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, 1766002 + ... + 1766017.

Almost surely, 2^28256152 is an apocalyptic number.

It is an amenable number.

28256152 is a deficient number, since it is larger than the sum of its proper divisors (24724148).

28256152 is a wasteful number, since it uses less digits than its factorization.

28256152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532025 (or 3532021 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 28256152 is about 5315.6516063414. The cubic root of 28256152 is about 304.5820738404.

The spelling of 28256152 in words is "twenty-eight million, two hundred fifty-six thousand, one hundred fifty-two".