27399492 has 48 divisors (see below), whose sum is σ = 72217600. Its totient is φ = 8981280.

The previous prime is 27399487. The next prime is 27399497. The reversal of 27399492 is 29499372.

27399492 is a `hidden beast` number, since 2 + 73 + 99 + 492 = 666.

It is an interprime number because it is at equal distance from previous prime (27399487) and next prime (27399497).

It is not an unprimeable number, because it can be changed into a prime (27399497) 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, 4509 + ... + 8667.

Almost surely, 2^27399492 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 27399492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36108800).

27399492 is an abundant number, since it is smaller than the sum of its proper divisors (44818108).

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

27399492 is a wasteful number, since it uses less digits than its factorization.

27399492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233 (or 4225 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 27399492 is about 5234.4524068903. The cubic root of 27399492 is about 301.4723620120.

The spelling of 27399492 in words is "twenty-seven million, three hundred ninety-nine thousand, four hundred ninety-two".