27920934 has 12 divisors (see below), whose sum is σ = 60495396. Its totient is φ = 9306972.

The previous prime is 27920929. The next prime is 27920941. The reversal of 27920934 is 43902972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775564 + ... + 775599.

It is an arithmetic number, because the mean of its divisors is an integer number (5041283).

Almost surely, 2^27920934 is an apocalyptic number.

27920934 is an abundant number, since it is smaller than the sum of its proper divisors (32574462).

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

27920934 is a wasteful number, since it uses less digits than its factorization.

27920934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551171 (or 1551168 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 27920934 is about 5284.0263057634. The cubic root of 27920934 is about 303.3728051789.

The spelling of 27920934 in words is "twenty-seven million, nine hundred twenty thousand, nine hundred thirty-four".