320393112 has 64 divisors (see below), whose sum is σ = 866379360. Its totient is φ = 98150400.

The previous prime is 320393107. The next prime is 320393137. The reversal of 320393112 is 211393023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73062 + ... + 77322.

Almost surely, 2^320393112 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 320393112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433189680).

320393112 is an abundant number, since it is smaller than the sum of its proper divisors (545986248).

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

320393112 is a wasteful number, since it uses less digits than its factorization.

320393112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 320393112 is about 17899.5282619403. The cubic root of 320393112 is about 684.2703524152.

The spelling of 320393112 in words is "three hundred twenty million, three hundred ninety-three thousand, one hundred twelve".