27439038 has 24 divisors (see below), whose sum is σ = 64856376. Its totient is φ = 8314800.

The previous prime is 27439019. The next prime is 27439039. The reversal of 27439038 is 83093472.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 27438993 and 27439011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27439039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69093 + ... + 69488.

It is an arithmetic number, because the mean of its divisors is an integer number (2702349).

Almost surely, 2^27439038 is an apocalyptic number.

27439038 is an abundant number, since it is smaller than the sum of its proper divisors (37417338).

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

27439038 is a wasteful number, since it uses less digits than its factorization.

27439038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138600 (or 138597 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 27439038 is about 5238.2285173520. The cubic root of 27439038 is about 301.6173317909.

It can be divided in two parts, 2743 and 9038, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 27439038 in words is "twenty-seven million, four hundred thirty-nine thousand, thirty-eight".