27940886 has 8 divisors (see below), whose sum is σ = 41935320. Its totient is φ = 13962448.

The previous prime is 27940879. The next prime is 27940897. The reversal of 27940886 is 68804972.

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

It is a super-2 number, since 2×27940886² = 1561386220929992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450 + ... + 7866.

It is an arithmetic number, because the mean of its divisors is an integer number (5241915).

Almost surely, 2^27940886 is an apocalyptic number.

27940886 is a deficient number, since it is larger than the sum of its proper divisors (13994434).

27940886 is a wasteful number, since it uses less digits than its factorization.

27940886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 27940886 is about 5285.9139228709. The cubic root of 27940886 is about 303.4450502908.

The spelling of 27940886 in words is "twenty-seven million, nine hundred forty thousand, eight hundred eighty-six".