27992892 has 24 divisors (see below), whose sum is σ = 65463552. Its totient is φ = 9310000.

The previous prime is 27992879. The next prime is 27992893. The reversal of 27992892 is 29829972.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27992893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (2727648).

Almost surely, 2^27992892 is an apocalyptic number.

It is an amenable number.

27992892 is an abundant number, since it is smaller than the sum of its proper divisors (37470660).

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

27992892 is a wasteful number, since it uses less digits than its factorization.

27992892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5247 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 27992892 is about 5290.8309366299. The cubic root of 27992892 is about 303.6331996863.

The spelling of 27992892 in words is "twenty-seven million, nine hundred ninety-two thousand, eight hundred ninety-two".