27098439 has 16 divisors (see below), whose sum is σ = 37830912. Its totient is φ = 17221248.

The previous prime is 27098437. The next prime is 27098443. The reversal of 27098439 is 93489072.

It is not a de Polignac number, because 27098439 - 2¹ = 27098437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27098439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27098431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29424 + ... + 30330.

It is an arithmetic number, because the mean of its divisors is an integer number (2364432).

Almost surely, 2^27098439 is an apocalyptic number.

27098439 is a deficient number, since it is larger than the sum of its proper divisors (10732473).

27098439 is a wasteful number, since it uses less digits than its factorization.

27098439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

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

The square root of 27098439 is about 5205.6161018654. The cubic root of 27098439 is about 300.3641467006.

The spelling of 27098439 in words is "twenty-seven million, ninety-eight thousand, four hundred thirty-nine".