118638282 has 16 divisors (see below), whose sum is σ = 271173312. Its totient is φ = 33896640.

The previous prime is 118638281. The next prime is 118638287. The reversal of 118638282 is 282836811.

It is a self number, because there is not a number n which added to its sum of digits gives 118638282.

It is not an unprimeable number, because it can be changed into a prime (118638281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412319 + ... + 1412402.

It is an arithmetic number, because the mean of its divisors is an integer number (16948332).

Almost surely, 2^118638282 is an apocalyptic number.

118638282 is an abundant number, since it is smaller than the sum of its proper divisors (152535030).

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

118638282 is a wasteful number, since it uses less digits than its factorization.

118638282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824733.

The product of its digits is 36864, while the sum is 39.

The square root of 118638282 is about 10892.1201792856. The cubic root of 118638282 is about 491.3695987834.

The spelling of 118638282 in words is "one hundred eighteen million, six hundred thirty-eight thousand, two hundred eighty-two".