117489538 has 16 divisors (see below), whose sum is σ = 179597880. Its totient is φ = 57628800.

The previous prime is 117489509. The next prime is 117489539. The reversal of 117489538 is 835984711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 83302129 + 34187409 = 9127^2 + 5847^2 .

It is not an unprimeable number, because it can be changed into a prime (117489539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55198 + ... + 57286.

Almost surely, 2^117489538 is an apocalyptic number.

117489538 is a deficient number, since it is larger than the sum of its proper divisors (62108342).

117489538 is a wasteful number, since it uses less digits than its factorization.

117489538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its digits is 241920, while the sum is 46.

The square root of 117489538 is about 10839.2591075221. The cubic root of 117489538 is about 489.7785171464.

The spelling of 117489538 in words is "one hundred seventeen million, four hundred eighty-nine thousand, five hundred thirty-eight".