27409898 has 4 divisors (see below), whose sum is σ = 41114850. Its totient is φ = 13704948.

The previous prime is 27409873. The next prime is 27409909. The reversal of 27409898 is 89890472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20403289 + 7006609 = 4517^2 + 2647^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6852473 + ... + 6852476.

Almost surely, 2^27409898 is an apocalyptic number.

27409898 is a deficient number, since it is larger than the sum of its proper divisors (13704952).

27409898 is a wasteful number, since it uses less digits than its factorization.

27409898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704951.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 27409898 is about 5235.4463038026. The cubic root of 27409898 is about 301.5105223829.

The spelling of 27409898 in words is "twenty-seven million, four hundred nine thousand, eight hundred ninety-eight".