27628984 has 8 divisors (see below), whose sum is σ = 51804360. Its totient is φ = 13814488.

The previous prime is 27628949. The next prime is 27628987. The reversal of 27628984 is 48982672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27628987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726804 + ... + 1726819.

It is an arithmetic number, because the mean of its divisors is an integer number (6475545).

Almost surely, 2^27628984 is an apocalyptic number.

It is an amenable number.

27628984 is a deficient number, since it is larger than the sum of its proper divisors (24175376).

27628984 is a wasteful number, since it uses less digits than its factorization.

27628984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453629 (or 3453625 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 27628984 is about 5256.3279958541. The cubic root of 27628984 is about 302.3117112525.

The spelling of 27628984 in words is "twenty-seven million, six hundred twenty-eight thousand, nine hundred eighty-four".