27987832 has 8 divisors (see below), whose sum is σ = 52477200. Its totient is φ = 13993912.

The previous prime is 27987809. The next prime is 27987877. The reversal of 27987832 is 23878972.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 1749232 + ... + 1749247.

It is an arithmetic number, because the mean of its divisors is an integer number (6559650).

Almost surely, 2^27987832 is an apocalyptic number.

It is an amenable number.

27987832 is a deficient number, since it is larger than the sum of its proper divisors (24489368).

27987832 is a wasteful number, since it uses less digits than its factorization.

27987832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498485 (or 3498481 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 27987832 is about 5290.3527292611. The cubic root of 27987832 is about 303.6149036539.

The spelling of 27987832 in words is "twenty-seven million, nine hundred eighty-seven thousand, eight hundred thirty-two".