118393920 has 224 divisors, whose sum is σ = 425744640. Its totient is φ = 30965760.

The previous prime is 118393889. The next prime is 118393927. The reversal of 118393920 is 29393811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (118393927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613344 + ... + 613536.

Almost surely, 2^118393920 is an apocalyptic number.

118393920 is a gapful number since it is divisible by the number (10) 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 118393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212872320).

118393920 is an abundant number, since it is smaller than the sum of its proper divisors (307350720).

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

118393920 is a wasteful number, since it uses less digits than its factorization.

118393920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 118393920 is about 10880.8970218452. The cubic root of 118393920 is about 491.0320051368.

The spelling of 118393920 in words is "one hundred eighteen million, three hundred ninety-three thousand, nine hundred twenty".