27890976 has 24 divisors (see below), whose sum is σ = 73214064. Its totient is φ = 9296960.

The previous prime is 27890959. The next prime is 27890981. The reversal of 27890976 is 67909872.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145170 + ... + 145361.

It is an arithmetic number, because the mean of its divisors is an integer number (3050586).

Almost surely, 2^27890976 is an apocalyptic number.

It is an amenable number.

27890976 is an abundant number, since it is smaller than the sum of its proper divisors (45323088).

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

27890976 is a wasteful number, since it uses less digits than its factorization.

27890976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290544 (or 290536 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 27890976 is about 5281.1907748158. The cubic root of 27890976 is about 303.2642642188.

The spelling of 27890976 in words is "twenty-seven million, eight hundred ninety thousand, nine hundred seventy-six".