381433308 has 48 divisors (see below), whose sum is σ = 906936576. Its totient is φ = 124750080.

The previous prime is 381433307. The next prime is 381433319. The reversal of 381433308 is 803334183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381433307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138303 + ... + 141033.

It is an arithmetic number, because the mean of its divisors is an integer number (18894512).

Almost surely, 2^381433308 is an apocalyptic number.

It is an amenable number.

381433308 is an abundant number, since it is smaller than the sum of its proper divisors (525503268).

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

381433308 is a wasteful number, since it uses less digits than its factorization.

381433308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 381433308 is about 19530.3176625471. The cubic root of 381433308 is about 725.2251749238.

The spelling of 381433308 in words is "three hundred eighty-one million, four hundred thirty-three thousand, three hundred eight".