27912938 has 32 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 12488256.

The previous prime is 27912917. The next prime is 27912947. The reversal of 27912938 is 83921972.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27912895 and 27912904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95120 + ... + 95412.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^27912938 is an apocalyptic number.

27912938 is a deficient number, since it is larger than the sum of its proper divisors (18656662).

27912938 is a wasteful number, since it uses less digits than its factorization.

27912938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its digits is 54432, while the sum is 41.

The square root of 27912938 is about 5283.2696315823. The cubic root of 27912938 is about 303.3438424354.

The spelling of 27912938 in words is "twenty-seven million, nine hundred twelve thousand, nine hundred thirty-eight".