27979962 has 8 divisors (see below), whose sum is σ = 55959936. Its totient is φ = 9326652.

The previous prime is 27979961. The next prime is 27979981. The reversal of 27979962 is 26997972.

It is a sphenic number, since it is the product of 3 distinct primes.

27979962 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27979961) 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, 2331658 + ... + 2331669.

It is an arithmetic number, because the mean of its divisors is an integer number (6994992).

Almost surely, 2^27979962 is an apocalyptic number.

27979962 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.

27979962 is a wasteful number, since it uses less digits than its factorization.

27979962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663332.

The product of its digits is 857304, while the sum is 51.

The square root of 27979962 is about 5289.6088702285. The cubic root of 27979962 is about 303.5864427941.

The spelling of 27979962 in words is "twenty-seven million, nine hundred seventy-nine thousand, nine hundred sixty-two".