27328631 has 16 divisors (see below), whose sum is σ = 31574400. Its totient is φ = 23392800.

The previous prime is 27328603. The next prime is 27328649. The reversal of 27328631 is 13682372.

It is a happy number.

It is not a de Polignac number, because 27328631 - 2²² = 23134327 is a prime.

It is a super-2 number, since 2×27328631² = 1493708144668322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27328031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47576 + ... + 48146.

It is an arithmetic number, because the mean of its divisors is an integer number (1973400).

Almost surely, 2^27328631 is an apocalyptic number.

27328631 is a deficient number, since it is larger than the sum of its proper divisors (4245769).

27328631 is a wasteful number, since it uses less digits than its factorization.

27328631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 12096, while the sum is 32.

The square root of 27328631 is about 5227.6793130413. The cubic root of 27328631 is about 301.2122467797.

The spelling of 27328631 in words is "twenty-seven million, three hundred twenty-eight thousand, six hundred thirty-one".