118531896 has 64 divisors (see below), whose sum is σ = 339655680. Its totient is φ = 33767040.

The previous prime is 118531867. The next prime is 118531913. The reversal of 118531896 is 698135811.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71590 + ... + 73226.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^118531896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118531896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169827840).

118531896 is an abundant number, since it is smaller than the sum of its proper divisors (221123784).

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

118531896 is a wasteful number, since it uses less digits than its factorization.

118531896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2080 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 118531896 is about 10887.2354617690. The cubic root of 118531896 is about 491.2226802721. Note that the first 3 decimals are identical.

The spelling of 118531896 in words is "one hundred eighteen million, five hundred thirty-one thousand, eight hundred ninety-six".