27918982 has 32 divisors (see below), whose sum is σ = 51980544. Its totient is φ = 10951200.

The previous prime is 27918973. The next prime is 27918983. The reversal of 27918982 is 28981972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27918983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23257 + ... + 24427.

It is an arithmetic number, because the mean of its divisors is an integer number (1624392).

Almost surely, 2^27918982 is an apocalyptic number.

27918982 is a deficient number, since it is larger than the sum of its proper divisors (24061562).

27918982 is a wasteful number, since it uses less digits than its factorization.

27918982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

The product of its digits is 145152, while the sum is 46.

The square root of 27918982 is about 5283.8415949004. The cubic root of 27918982 is about 303.3657352445.

It can be divided in two parts, 27918 and 982, that added together give a square (28900 = 170²).

The spelling of 27918982 in words is "twenty-seven million, nine hundred eighteen thousand, nine hundred eighty-two".