27996264 has 24 divisors (see below), whose sum is σ = 75823410. Its totient is φ = 9332064.

The previous prime is 27996259. The next prime is 27996299. The reversal of 27996264 is 46269972.

It can be written as a sum of positive squares in only one way, i.e., 19873764 + 8122500 = 4458^2 + 2850^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 194347 + ... + 194490.

Almost surely, 2^27996264 is an apocalyptic number.

27996264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27996264 is an abundant number, since it is smaller than the sum of its proper divisors (47827146).

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

27996264 is a wasteful number, since it uses less digits than its factorization.

27996264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388849 (or 388842 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 27996264 is about 5291.1495915349. The cubic root of 27996264 is about 303.6453909959.

The spelling of 27996264 in words is "twenty-seven million, nine hundred ninety-six thousand, two hundred sixty-four".