28969264 has 10 divisors (see below), whose sum is σ = 56127980. Its totient is φ = 14484624.

The previous prime is 28969223. The next prime is 28969267. The reversal of 28969264 is 46296982.

It is not an unprimeable number, because it can be changed into a prime (28969267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905274 + ... + 905305.

It is an arithmetic number, because the mean of its divisors is an integer number (5612798).

Almost surely, 2^28969264 is an apocalyptic number.

It is an amenable number.

28969264 is a deficient number, since it is larger than the sum of its proper divisors (27158716).

28969264 is a wasteful number, since it uses less digits than its factorization.

28969264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810587 (or 1810581 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 28969264 is about 5382.3102846269. The cubic root of 28969264 is about 307.1231031309.

The spelling of 28969264 in words is "twenty-eight million, nine hundred sixty-nine thousand, two hundred sixty-four".