26964631 has 2 divisors, whose sum is σ = 26964632. Its totient is φ = 26964630.

The previous prime is 26964589. The next prime is 26964659. The reversal of 26964631 is 13646962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26964631 - 2⁷ = 26964503 is a prime.

It is a super-2 number, since 2×26964631² = 1454182649932322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26964331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13482315 + 13482316.

It is an arithmetic number, because the mean of its divisors is an integer number (13482316).

Almost surely, 2^26964631 is an apocalyptic number.

26964631 is a deficient number, since it is larger than the sum of its proper divisors (1).

26964631 is an equidigital number, since it uses as much as digits as its factorization.

26964631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 26964631 is about 5192.7479237876. The cubic root of 26964631 is about 299.8689464619.

The spelling of 26964631 in words is "twenty-six million, nine hundred sixty-four thousand, six hundred thirty-one".