28423952 has 20 divisors (see below), whose sum is σ = 57466560. Its totient is φ = 13593888.

The previous prime is 28423921. The next prime is 28423961. The reversal of 28423952 is 25932482.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 38252 + ... + 38987.

It is an arithmetic number, because the mean of its divisors is an integer number (2873328).

Almost surely, 2^28423952 is an apocalyptic number.

It is an amenable number.

28423952 is an abundant number, since it is smaller than the sum of its proper divisors (29042608).

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

28423952 is a wasteful number, since it uses less digits than its factorization.

28423952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77270 (or 77264 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 28423952 is about 5331.4118205218. The cubic root of 28423952 is about 305.1838075081.

The spelling of 28423952 in words is "twenty-eight million, four hundred twenty-three thousand, nine hundred fifty-two".