27918492 has 48 divisors (see below), whose sum is σ = 75866112. Its totient is φ = 7824960.

The previous prime is 27918491. The next prime is 27918493. The reversal of 27918492 is 29481972.

It is an interprime number because it is at equal distance from previous prime (27918491) and next prime (27918493).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27918491) 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, 1317 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (1580544).

Almost surely, 2^27918492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27918492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37933056).

27918492 is an abundant number, since it is smaller than the sum of its proper divisors (47947620).

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

27918492 is a wasteful number, since it uses less digits than its factorization.

27918492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6336 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 27918492 is about 5283.7952269179. The cubic root of 27918492 is about 303.3639604653.

The spelling of 27918492 in words is "twenty-seven million, nine hundred eighteen thousand, four hundred ninety-two".