27904113 has 12 divisors (see below), whose sum is σ = 40372020. Its totient is φ = 18572256.

The previous prime is 27904099. The next prime is 27904147. The reversal of 27904113 is 31140972.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 18558864 = 3057^2 + 4308^2 .

It is not a de Polignac number, because 27904113 - 2⁸ = 27903857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27904183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4195 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (3364335).

Almost surely, 2^27904113 is an apocalyptic number.

It is an amenable number.

27904113 is a deficient number, since it is larger than the sum of its proper divisors (12467907).

27904113 is a wasteful number, since it uses less digits than its factorization.

27904113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 27904113 is about 5282.4343819872. The cubic root of 27904113 is about 303.3118705044.

It can be divided in two parts, 2790 and 4113, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 27904113 in words is "twenty-seven million, nine hundred four thousand, one hundred thirteen".