27796993 has 16 divisors (see below), whose sum is σ = 33120000. Its totient is φ = 22825152.

The previous prime is 27796973. The next prime is 27797017. The reversal of 27796993 is 39969772.

It is not a de Polignac number, because 27796993 - 2⁵ = 27796961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27796993.

It is not an unprimeable number, because it can be changed into a prime (27796933) 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, 29788 + ... + 30706.

It is an arithmetic number, because the mean of its divisors is an integer number (2070000).

Almost surely, 2^27796993 is an apocalyptic number.

It is an amenable number.

27796993 is a deficient number, since it is larger than the sum of its proper divisors (5323007).

27796993 is a wasteful number, since it uses less digits than its factorization.

27796993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its digits is 1285956, while the sum is 52.

The square root of 27796993 is about 5272.2853678457. The cubic root of 27796993 is about 302.9232487946.

The spelling of 27796993 in words is "twenty-seven million, seven hundred ninety-six thousand, nine hundred ninety-three".