28802952 has 40 divisors (see below), whose sum is σ = 80676750. Its totient is φ = 9600768.

The previous prime is 28802941. The next prime is 28802959. The reversal of 28802952 is 25920882.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 9036036 = 4446^2 + 3006^2 .

It is a super-2 number, since 2×28802952² = 1659220087828608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

28802952 is a modest number, since divided by 2952 gives 288 as remainder.

It is not an unprimeable number, because it can be changed into a prime (28802959) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21577 + ... + 22872.

Almost surely, 2^28802952 is an apocalyptic number.

It is an amenable number.

28802952 is an abundant number, since it is smaller than the sum of its proper divisors (51873798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28802952 is a wasteful number, since it uses less digits than its factorization.

28802952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44467 (or 44454 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 28802952 is about 5366.8381753133. The cubic root of 28802952 is about 306.5342454952.

It can be divided in two parts, 2880 and 2952, that added together give a cube (5832 = 18³).

The spelling of 28802952 in words is "twenty-eight million, eight hundred two thousand, nine hundred fifty-two".