118690 has 32 divisors (see below), whose sum is σ = 254016. Its totient is φ = 39360.

The previous prime is 118687. The next prime is 118691. The reversal of 118690 is 96811.

It is a super-2 number, since 2×118690² = 28174632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (7938).

2¹¹⁸⁶⁹⁰ is an apocalyptic number.

118690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118690 is an abundant number, since it is smaller than the sum of its proper divisors (135326).

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

118690 is a wasteful number, since it uses less digits than its factorization.

118690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 118690 is about 344.5141506528. The cubic root of 118690 is about 49.1440989346.

It can be divided in two parts, 118 and 690, that added together give a palindrome (808).

The spelling of 118690 in words is "one hundred eighteen thousand, six hundred ninety".