27934564 has 12 divisors (see below), whose sum is σ = 55869184. Its totient is φ = 11971944.

The previous prime is 27934549. The next prime is 27934567. The reversal of 27934564 is 46543972.

It is a happy number.

27934564 is an admirable number.

It is a super-4 number, since 4×27934564⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (27934567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498804 + ... + 498859.

Almost surely, 2^27934564 is an apocalyptic number.

It is an amenable number.

27934564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27934564 is a wasteful number, since it uses less digits than its factorization.

27934564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997674 (or 997672 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 27934564 is about 5285.3158845995. The cubic root of 27934564 is about 303.4221623944.

It can be divided in two parts, 279 and 34564, that added together give a palindrome (34843).

The spelling of 27934564 in words is "twenty-seven million, nine hundred thirty-four thousand, five hundred sixty-four".