27399844 has 12 divisors (see below), whose sum is σ = 47987968. Its totient is φ = 13689000.

The previous prime is 27399839. The next prime is 27399847. The reversal of 27399844 is 44899372.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27399794 and 27399803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27399847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6049 + ... + 9559.

Almost surely, 2^27399844 is an apocalyptic number.

It is an amenable number.

27399844 is a deficient number, since it is larger than the sum of its proper divisors (20588124).

27399844 is a wasteful number, since it uses less digits than its factorization.

27399844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5464 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 27399844 is about 5234.4860301657. The cubic root of 27399844 is about 301.4736530069.

The spelling of 27399844 in words is "twenty-seven million, three hundred ninety-nine thousand, eight hundred forty-four".