118384530 has 64 divisors (see below), whose sum is σ = 315086976. Its totient is φ = 28224000.

The previous prime is 118384529. The next prime is 118384559. The reversal of 118384530 is 35483811.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 118384491 and 118384500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17190 + ... + 23070.

It is an arithmetic number, because the mean of its divisors is an integer number (4923234).

Almost surely, 2^118384530 is an apocalyptic number.

118384530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118384530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157543488).

118384530 is an abundant number, since it is smaller than the sum of its proper divisors (196702446).

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

118384530 is a wasteful number, since it uses less digits than its factorization.

118384530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 118384530 is about 10880.4655231291. The cubic root of 118384530 is about 491.0190232978.

The spelling of 118384530 in words is "one hundred eighteen million, three hundred eighty-four thousand, five hundred thirty".