26284864 has 14 divisors (see below), whose sum is σ = 52159154. Its totient is φ = 13142400.

The previous prime is 26284861. The next prime is 26284877. The reversal of 26284864 is 46848262.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 5198400 = 4592^2 + 2280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26284861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205287 + ... + 205414.

Almost surely, 2^26284864 is an apocalyptic number.

It is an amenable number.

26284864 is a deficient number, since it is larger than the sum of its proper divisors (25874290).

26284864 is an equidigital number, since it uses as much as digits as its factorization.

26284864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410713 (or 410703 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 26284864 is about 5126.8766320246. The cubic root of 26284864 is about 297.3276133326.

The spelling of 26284864 in words is "twenty-six million, two hundred eighty-four thousand, eight hundred sixty-four".