27379428 has 12 divisors (see below), whose sum is σ = 63885360. Its totient is φ = 9126472.

The previous prime is 27379411. The next prime is 27379439. The reversal of 27379428 is 82497372.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27379428.

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, 1140798 + ... + 1140821.

It is an arithmetic number, because the mean of its divisors is an integer number (5323780).

Almost surely, 2^27379428 is an apocalyptic number.

It is an amenable number.

27379428 is an abundant number, since it is smaller than the sum of its proper divisors (36505932).

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

27379428 is a wasteful number, since it uses less digits than its factorization.

27379428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281626 (or 2281624 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 27379428 is about 5232.5355230519. The cubic root of 27379428 is about 301.3987570157.

The spelling of 27379428 in words is "twenty-seven million, three hundred seventy-nine thousand, four hundred twenty-eight".