381642032 has 10 divisors (see below), whose sum is σ = 739431468. Its totient is φ = 190821008.

The previous prime is 381641987. The next prime is 381642049. The reversal of 381642032 is 230246183.

381642032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 381641986 and 381642004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11926298 + ... + 11926329.

Almost surely, 2^381642032 is an apocalyptic number.

It is an amenable number.

381642032 is a deficient number, since it is larger than the sum of its proper divisors (357789436).

381642032 is a wasteful number, since it uses less digits than its factorization.

381642032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23852635 (or 23852629 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 381642032 is about 19535.6605212109. The cubic root of 381642032 is about 725.3574342152.

The spelling of 381642032 in words is "three hundred eighty-one million, six hundred forty-two thousand, thirty-two".