27944930 has 32 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 10213056.

The previous prime is 27944929. The next prime is 27944947. The reversal of 27944930 is 3944972.

It is a super-2 number, since 2×27944930² = 1561838225409800, which contains 22 as substring.

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, 12347 + ... + 14433.

It is an arithmetic number, because the mean of its divisors is an integer number (1710072).

Almost surely, 2^27944930 is an apocalyptic number.

27944930 is a deficient number, since it is larger than the sum of its proper divisors (26777374).

27944930 is a wasteful number, since it uses less digits than its factorization.

27944930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 27944930 is about 5286.2964351236. The cubic root of 27944930 is about 303.4596892036.

The spelling of 27944930 in words is "twenty-seven million, nine hundred forty-four thousand, nine hundred thirty".