381528232 has 32 divisors (see below), whose sum is σ = 751106880. Its totient is φ = 181336320.

The previous prime is 381528211. The next prime is 381528289. The reversal of 381528232 is 232825183.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 23632 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (23472090).

Almost surely, 2^381528232 is an apocalyptic number.

It is an amenable number.

381528232 is a deficient number, since it is larger than the sum of its proper divisors (369578648).

381528232 is a wasteful number, since it uses less digits than its factorization.

381528232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913 (or 12909 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 381528232 is about 19532.7476817779. The cubic root of 381528232 is about 725.2853301009.

The spelling of 381528232 in words is "three hundred eighty-one million, five hundred twenty-eight thousand, two hundred thirty-two".