28974344 has 16 divisors (see below), whose sum is σ = 62088000. Its totient is φ = 12417552.

The previous prime is 28974343. The next prime is 28974349. The reversal of 28974344 is 44347982.

It is a super-2 number, since 2×28974344² = 1679025220460672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28974343) 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, 258644 + ... + 258755.

It is an arithmetic number, because the mean of its divisors is an integer number (3880500).

Almost surely, 2^28974344 is an apocalyptic number.

It is an amenable number.

28974344 is an abundant number, since it is smaller than the sum of its proper divisors (33113656).

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

28974344 is a wasteful number, since it uses less digits than its factorization.

28974344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517412 (or 517408 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 28974344 is about 5382.7821802484. The cubic root of 28974344 is about 307.1410542736.

The spelling of 28974344 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred forty-four".