380639232 has 144 divisors (see below), whose sum is σ = 1115379720. Its totient is φ = 125042688.

The previous prime is 380639201. The next prime is 380639251. The reversal of 380639232 is 232936083.

It is a tau number, because it is divible by the number of its divisors (144).

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 11 ways as a sum of consecutive naturals, for example, 1972128 + ... + 1972320.

Almost surely, 2^380639232 is an apocalyptic number.

380639232 is a gapful number since it is divisible by the number (32) 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 380639232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557689860).

380639232 is an abundant number, since it is smaller than the sum of its proper divisors (734740488).

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

380639232 is a wasteful number, since it uses less digits than its factorization.

380639232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 380639232 is about 19509.9777549848. The cubic root of 380639232 is about 724.7215622031.

The spelling of 380639232 in words is "three hundred eighty million, six hundred thirty-nine thousand, two hundred thirty-two".