118386436 has 48 divisors (see below), whose sum is σ = 254209536. Its totient is φ = 47084544.

The previous prime is 118386431. The next prime is 118386461. The reversal of 118386436 is 634683811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (118386431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33045 + ... + 36451.

It is an arithmetic number, because the mean of its divisors is an integer number (5296032).

Almost surely, 2^118386436 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 118386436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127104768).

118386436 is an abundant number, since it is smaller than the sum of its proper divisors (135823100).

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

118386436 is a wasteful number, since it uses less digits than its factorization.

118386436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3506 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 118386436 is about 10880.5531109406. The cubic root of 118386436 is about 491.0216584316.

The spelling of 118386436 in words is "one hundred eighteen million, three hundred eighty-six thousand, four hundred thirty-six".