384322680 has 144 divisors (see below), whose sum is σ = 1453041720. Its totient is φ = 87841152.

The previous prime is 384322669. The next prime is 384322693. The reversal of 384322680 is 86223483.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6747 + ... + 28533.

Almost surely, 2^384322680 is an apocalyptic number.

384322680 is a gapful number since it is divisible by the number (30) 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 384322680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726520860).

384322680 is an abundant number, since it is smaller than the sum of its proper divisors (1068719040).

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

384322680 is a wasteful number, since it uses less digits than its factorization.

384322680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21818 (or 21804 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 384322680 is about 19604.1495607435. The cubic root of 384322680 is about 727.0517733519.

The spelling of 384322680 in words is "three hundred eighty-four million, three hundred twenty-two thousand, six hundred eighty".