118489538 has 16 divisors (see below), whose sum is σ = 181885824. Its totient is φ = 57866160.

The previous prime is 118489513. The next prime is 118489619. The reversal of 118489538 is 835984811.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 118489492 and 118489501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61181 + ... + 63087.

It is an arithmetic number, because the mean of its divisors is an integer number (11367864).

Almost surely, 2^118489538 is an apocalyptic number.

118489538 is a deficient number, since it is larger than the sum of its proper divisors (63396286).

118489538 is a wasteful number, since it uses less digits than its factorization.

118489538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617.

The product of its digits is 276480, while the sum is 47.

The square root of 118489538 is about 10885.2899823569. The cubic root of 118489538 is about 491.1641596263.

The spelling of 118489538 in words is "one hundred eighteen million, four hundred eighty-nine thousand, five hundred thirty-eight".