27918416 has 20 divisors (see below), whose sum is σ = 55958100. Its totient is φ = 13477632.

The previous prime is 27918413. The next prime is 27918421. The reversal of 27918416 is 61481972.

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 4840000 = 4804^2 + 2200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27918416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27918413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29621 + ... + 30548.

It is an arithmetic number, because the mean of its divisors is an integer number (2797905).

Almost surely, 2^27918416 is an apocalyptic number.

It is an amenable number.

27918416 is an abundant number, since it is smaller than the sum of its proper divisors (28039684).

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

27918416 is a wasteful number, since it uses less digits than its factorization.

27918416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60206 (or 60200 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 27918416 is about 5283.7880351127. The cubic root of 27918416 is about 303.3636851916.

The spelling of 27918416 in words is "twenty-seven million, nine hundred eighteen thousand, four hundred sixteen".