118690380 has 48 divisors (see below), whose sum is σ = 369260640. Its totient is φ = 31650624.

The previous prime is 118690343. The next prime is 118690381. The reversal of 118690380 is 83096811.

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 (118690381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109359 + ... + 110438.

It is an arithmetic number, because the mean of its divisors is an integer number (7692930).

Almost surely, 2^118690380 is an apocalyptic number.

118690380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118690380 is an abundant number, since it is smaller than the sum of its proper divisors (250570260).

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

118690380 is a wasteful number, since it uses less digits than its factorization.

118690380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219815 (or 219807 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 118690380 is about 10894.5114621997. The cubic root of 118690380 is about 491.4415138142.

The spelling of 118690380 in words is "one hundred eighteen million, six hundred ninety thousand, three hundred eighty".