27995894 has 4 divisors (see below), whose sum is σ = 41993844. Its totient is φ = 13997946.

The previous prime is 27995893. The next prime is 27995921. The reversal of 27995894 is 49859972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27995893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998972 + ... + 6998975.

It is an arithmetic number, because the mean of its divisors is an integer number (10498461).

Almost surely, 2^27995894 is an apocalyptic number.

27995894 is a deficient number, since it is larger than the sum of its proper divisors (13997950).

27995894 is a wasteful number, since it uses less digits than its factorization.

27995894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997949.

The product of its digits is 1632960, while the sum is 53.

The square root of 27995894 is about 5291.1146273730. The cubic root of 27995894 is about 303.6440533259.

The spelling of 27995894 in words is "twenty-seven million, nine hundred ninety-five thousand, eight hundred ninety-four".