26904231 has 24 divisors (see below), whose sum is σ = 41081040. Its totient is φ = 17589312.

The previous prime is 26904221. The next prime is 26904239. The reversal of 26904231 is 13240962.

It is not a de Polignac number, because 26904231 - 2⁹ = 26903719 is a prime.

It is a super-2 number, since 2×26904231² = 1447675291402722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 26904195 and 26904204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26904239) 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 in 23 ways as a sum of consecutive naturals, for example, 11835 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (1711710).

Almost surely, 2^26904231 is an apocalyptic number.

26904231 is a deficient number, since it is larger than the sum of its proper divisors (14176809).

26904231 is an equidigital number, since it uses as much as digits as its factorization.

26904231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 26904231 is about 5186.9288601252. The cubic root of 26904231 is about 299.6448797980.

The spelling of 26904231 in words is "twenty-six million, nine hundred four thousand, two hundred thirty-one".