118408992 has 96 divisors (see below), whose sum is σ = 339252480. Its totient is φ = 35942400.

The previous prime is 118408987. The next prime is 118409003. The reversal of 118408992 is 299804811.

It is a tau number, because it is divible by the number of its divisors (96).

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, 97992 + ... + 99192.

It is an arithmetic number, because the mean of its divisors is an integer number (3533880).

Almost surely, 2^118408992 is an apocalyptic number.

118408992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118408992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169626240).

118408992 is an abundant number, since it is smaller than the sum of its proper divisors (220843488).

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

118408992 is a wasteful number, since it uses less digits than its factorization.

118408992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 118408992 is about 10881.5895897612. The cubic root of 118408992 is about 491.0528410050.

The spelling of 118408992 in words is "one hundred eighteen million, four hundred eight thousand, nine hundred ninety-two".