28956252 has 48 divisors (see below), whose sum is σ = 73100160. Its totient is φ = 8868288.

The previous prime is 28956251. The next prime is 28956271. The reversal of 28956252 is 25265982.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 28956252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28956251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65143 + ... + 65585.

It is an arithmetic number, because the mean of its divisors is an integer number (1522920).

Almost surely, 2^28956252 is an apocalyptic number.

It is an amenable number.

28956252 is an abundant number, since it is smaller than the sum of its proper divisors (44143908).

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

28956252 is a wasteful number, since it uses less digits than its factorization.

28956252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 28956252 is about 5381.1013742542. The cubic root of 28956252 is about 307.0771131891.

The spelling of 28956252 in words is "twenty-eight million, nine hundred fifty-six thousand, two hundred fifty-two".