27290992 has 40 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 12791232.

The previous prime is 27290987. The next prime is 27291007. The reversal of 27290992 is 29909272.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 32109 + ... + 32947.

It is an arithmetic number, because the mean of its divisors is an integer number (1406160).

Almost surely, 2^27290992 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 27290992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

27290992 is an abundant number, since it is smaller than the sum of its proper divisors (28955408).

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

27290992 is a wasteful number, since it uses less digits than its factorization.

27290992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 27290992 is about 5224.0781004882. The cubic root of 27290992 is about 301.0738993617.

It can be divided in two parts, 27290 and 992, that added together give a palindrome (28282).

The spelling of 27290992 in words is "twenty-seven million, two hundred ninety thousand, nine hundred ninety-two".