26486864 has 20 divisors (see below), whose sum is σ = 51538740. Its totient is φ = 13186560.

The previous prime is 26486851. The next prime is 26486879. The reversal of 26486864 is 46868462.

It can be written as a sum of positive squares in 2 ways, for example, as 8065600 + 18421264 = 2840^2 + 4292^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 7290.

It is an arithmetic number, because the mean of its divisors is an integer number (2576937).

Almost surely, 2^26486864 is an apocalyptic number.

It is an amenable number.

26486864 is a deficient number, since it is larger than the sum of its proper divisors (25051876).

26486864 is a wasteful number, since it uses less digits than its factorization.

26486864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118 (or 7112 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 26486864 is about 5146.5390312325. The cubic root of 26486864 is about 298.0873278289.

The spelling of 26486864 in words is "twenty-six million, four hundred eighty-six thousand, eight hundred sixty-four".