27387996 has 12 divisors (see below), whose sum is σ = 63905352. Its totient is φ = 9129328.

The previous prime is 27387991. The next prime is 27388001. The reversal of 27387996 is 69978372.

It is an interprime number because it is at equal distance from previous prime (27387991) and next prime (27388001).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27387991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141155 + ... + 1141178.

It is an arithmetic number, because the mean of its divisors is an integer number (5325446).

Almost surely, 2^27387996 is an apocalyptic number.

It is an amenable number.

27387996 is an abundant number, since it is smaller than the sum of its proper divisors (36517356).

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

27387996 is a wasteful number, since it uses less digits than its factorization.

27387996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282340 (or 2282338 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 27387996 is about 5233.3541825487. The cubic root of 27387996 is about 301.4301932120.

The spelling of 27387996 in words is "twenty-seven million, three hundred eighty-seven thousand, nine hundred ninety-six".