118534388 has 48 divisors (see below), whose sum is σ = 252228480. Its totient is φ = 47609856.

The previous prime is 118534349. The next prime is 118534391. The reversal of 118534388 is 883435811.

It is a super-2 number, since 2×118534388² = 28100802277069088, which contains 22 as substring.

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, 50456 + ... + 52752.

It is an arithmetic number, because the mean of its divisors is an integer number (5254760).

Almost surely, 2^118534388 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 118534388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126114240).

118534388 is an abundant number, since it is smaller than the sum of its proper divisors (133694092).

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

118534388 is a wasteful number, since it uses less digits than its factorization.

118534388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424 (or 2422 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 118534388 is about 10887.3499071170. The cubic root of 118534388 is about 491.2261227164.

The spelling of 118534388 in words is "one hundred eighteen million, five hundred thirty-four thousand, three hundred eighty-eight".