26864944 has 10 divisors (see below), whose sum is σ = 52050860. Its totient is φ = 13432464.

The previous prime is 26864939. The next prime is 26864983. The reversal of 26864944 is 44946862.

It is a super-2 number, since 2×26864944² = 1443450432246272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26864944.

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 as a sum of consecutive naturals, namely, 839514 + ... + 839545.

It is an arithmetic number, because the mean of its divisors is an integer number (5205086).

Almost surely, 2^26864944 is an apocalyptic number.

It is an amenable number.

26864944 is a deficient number, since it is larger than the sum of its proper divisors (25185916).

26864944 is a wasteful number, since it uses less digits than its factorization.

26864944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679067 (or 1679061 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 26864944 is about 5183.1403608237. The cubic root of 26864944 is about 299.4989562423.

The spelling of 26864944 in words is "twenty-six million, eight hundred sixty-four thousand, nine hundred forty-four".