117844320 has 144 divisors (see below), whose sum is σ = 408224880. Its totient is φ = 28554240.

The previous prime is 117844303. The next prime is 117844333. The reversal of 117844320 is 23448711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57066 + ... + 59094.

It is an arithmetic number, because the mean of its divisors is an integer number (2834895).

Almost surely, 2^117844320 is an apocalyptic number.

117844320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117844320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204112440).

117844320 is an abundant number, since it is smaller than the sum of its proper divisors (290380560).

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

117844320 is a wasteful number, since it uses less digits than its factorization.

117844320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 117844320 is about 10855.6123733302. The cubic root of 117844320 is about 490.2710148688.

The spelling of 117844320 in words is "one hundred seventeen million, eight hundred forty-four thousand, three hundred twenty".