27399804 has 12 divisors (see below), whose sum is σ = 63932904. Its totient is φ = 9133264.

The previous prime is 27399793. The next prime is 27399817. The reversal of 27399804 is 40899372.

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

It is a super-3 number, since 3×27399804³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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, 1141647 + ... + 1141670.

It is an arithmetic number, because the mean of its divisors is an integer number (5327742).

Almost surely, 2^27399804 is an apocalyptic number.

It is an amenable number.

27399804 is an abundant number, since it is smaller than the sum of its proper divisors (36533100).

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

27399804 is a wasteful number, since it uses less digits than its factorization.

27399804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283324 (or 2283322 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 27399804 is about 5234.4822093498. The cubic root of 27399804 is about 301.4735063035.

It can be divided in two parts, 27399 and 804, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 27399804 in words is "twenty-seven million, three hundred ninety-nine thousand, eight hundred four".