28995264 has 84 divisors (see below), whose sum is σ = 84399120. Its totient is φ = 9515520.

The previous prime is 28995259. The next prime is 28995271. The reversal of 28995264 is 46259982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40542 + ... + 41250.

Almost surely, 2^28995264 is an apocalyptic number.

28995264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28995264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42199560).

28995264 is an abundant number, since it is smaller than the sum of its proper divisors (55403856).

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

28995264 is a wasteful number, since it uses less digits than its factorization.

28995264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 785 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 28995264 is about 5384.7250626193. The cubic root of 28995264 is about 307.2149569541.

The spelling of 28995264 in words is "twenty-eight million, nine hundred ninety-five thousand, two hundred sixty-four".