28979736 has 16 divisors (see below), whose sum is σ = 72449400. Its totient is φ = 9659904.

The previous prime is 28979719. The next prime is 28979737. The reversal of 28979736 is 63797982.

It is a super-3 number, since 3×28979736³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28979737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603721 + ... + 603768.

Almost surely, 2^28979736 is an apocalyptic number.

It is an amenable number.

28979736 is an abundant number, since it is smaller than the sum of its proper divisors (43469664).

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

28979736 is a wasteful number, since it uses less digits than its factorization.

28979736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207498 (or 1207494 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 28979736 is about 5383.2830131807. The cubic root of 28979736 is about 307.1601056321.

The spelling of 28979736 in words is "twenty-eight million, nine hundred seventy-nine thousand, seven hundred thirty-six".