381429316 has 12 divisors (see below), whose sum is σ = 667645888. Its totient is φ = 190673352.

The previous prime is 381429311. The next prime is 381429329. The reversal of 381429316 is 613924183.

It is not an unprimeable number, because it can be changed into a prime (381429311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21025 + ... + 34711.

Almost surely, 2^381429316 is an apocalyptic number.

It is an amenable number.

381429316 is a deficient number, since it is larger than the sum of its proper divisors (286216572).

381429316 is a wasteful number, since it uses less digits than its factorization.

381429316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20658 (or 20656 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 381429316 is about 19530.2154622011. The cubic root of 381429316 is about 725.2226448974. Note that the first 3 decimals are identical.

The spelling of 381429316 in words is "three hundred eighty-one million, four hundred twenty-nine thousand, three hundred sixteen".