26864456 has 8 divisors (see below), whose sum is σ = 50370870. Its totient is φ = 13432224.

The previous prime is 26864429. The next prime is 26864459. The reversal of 26864456 is 65446862.

It can be written as a sum of positive squares in only one way, i.e., 23367556 + 3496900 = 4834^2 + 1870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26864459) by changing a digit.

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, 1679021 + ... + 1679036.

Almost surely, 2^26864456 is an apocalyptic number.

It is an amenable number.

26864456 is a deficient number, since it is larger than the sum of its proper divisors (23506414).

26864456 is a wasteful number, since it uses less digits than its factorization.

26864456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358063 (or 3358059 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 26864456 is about 5183.0932849024. The cubic root of 26864456 is about 299.4971427715.

The spelling of 26864456 in words is "twenty-six million, eight hundred sixty-four thousand, four hundred fifty-six".