28884956 has 12 divisors (see below), whose sum is σ = 50600592. Its totient is φ = 14427648.

The previous prime is 28884953. The next prime is 28884979. The reversal of 28884956 is 65948882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28884953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (4216716).

Almost surely, 2^28884956 is an apocalyptic number.

It is an amenable number.

28884956 is a deficient number, since it is larger than the sum of its proper divisors (21715636).

28884956 is a wasteful number, since it uses less digits than its factorization.

28884956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420 (or 7418 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 28884956 is about 5374.4726252908. The cubic root of 28884956 is about 306.8248779311.

The spelling of 28884956 in words is "twenty-eight million, eight hundred eighty-four thousand, nine hundred fifty-six".