381910632 has 32 divisors (see below), whose sum is σ = 955507200. Its totient is φ = 127206144.

The previous prime is 381910619. The next prime is 381910663. The reversal of 381910632 is 236019183.

It is a junction number, because it is equal to n+sod(n) for n = 381910593 and 381910602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30393 + ... + 41079.

It is an arithmetic number, because the mean of its divisors is an integer number (29859600).

Almost surely, 2^381910632 is an apocalyptic number.

It is an amenable number.

381910632 is an abundant number, since it is smaller than the sum of its proper divisors (573596568).

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

381910632 is a wasteful number, since it uses less digits than its factorization.

381910632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12181 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 381910632 is about 19542.5339196328. The cubic root of 381910632 is about 725.5275633772.

The spelling of 381910632 in words is "three hundred eighty-one million, nine hundred ten thousand, six hundred thirty-two".