27992126 has 4 divisors (see below), whose sum is σ = 41988192. Its totient is φ = 13996062.

The previous prime is 27992117. The next prime is 27992147. The reversal of 27992126 is 62129972.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27992126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998030 + ... + 6998033.

It is an arithmetic number, because the mean of its divisors is an integer number (10497048).

Almost surely, 2^27992126 is an apocalyptic number.

27992126 is a deficient number, since it is larger than the sum of its proper divisors (13996066).

27992126 is a wasteful number, since it uses less digits than its factorization.

27992126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996065.

The product of its digits is 27216, while the sum is 38.

The square root of 27992126 is about 5290.7585467492. The cubic root of 27992126 is about 303.6304301123.

The spelling of 27992126 in words is "twenty-seven million, nine hundred ninety-two thousand, one hundred twenty-six".