28923252 has 12 divisors (see below), whose sum is σ = 67487616. Its totient is φ = 9641080.

The previous prime is 28923241. The next prime is 28923281. The reversal of 28923252 is 25232982.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 1205124 + ... + 1205147.

It is an arithmetic number, because the mean of its divisors is an integer number (5623968).

Almost surely, 2^28923252 is an apocalyptic number.

It is an amenable number.

28923252 is an abundant number, since it is smaller than the sum of its proper divisors (38564364).

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

28923252 is a wasteful number, since it uses less digits than its factorization.

28923252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410278 (or 2410276 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 28923252 is about 5378.0342133534. The cubic root of 28923252 is about 306.9604153427.

The spelling of 28923252 in words is "twenty-eight million, nine hundred twenty-three thousand, two hundred fifty-two".