380684736 has 84 divisors (see below), whose sum is σ = 1094613000. Its totient is φ = 126494208.

The previous prime is 380684699. The next prime is 380684767. The reversal of 380684736 is 637486083.

It is a junction number, because it is equal to n+sod(n) for n = 380684691 and 380684700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223215 + ... + 224913.

Almost surely, 2^380684736 is an apocalyptic number.

380684736 is a gapful number since it is divisible by the number (36) 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 380684736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547306500).

380684736 is an abundant number, since it is smaller than the sum of its proper divisors (713928264).

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

380684736 is a wasteful number, since it uses less digits than its factorization.

380684736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 380684736 is about 19511.1438926579. The cubic root of 380684736 is about 724.7504403053.

The spelling of 380684736 in words is "three hundred eighty million, six hundred eighty-four thousand, seven hundred thirty-six".