381421676 has 12 divisors (see below), whose sum is σ = 667667280. Its totient is φ = 190659600.

The previous prime is 381421631. The next prime is 381421679. The reversal of 381421676 is 676124183.

It is not an unprimeable number, because it can be changed into a prime (381421679) 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, 7526 + ... + 28626.

It is an arithmetic number, because the mean of its divisors is an integer number (55638940).

Almost surely, 2^381421676 is an apocalyptic number.

It is an amenable number.

381421676 is a deficient number, since it is larger than the sum of its proper divisors (286245604).

381421676 is a wasteful number, since it uses less digits than its factorization.

381421676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25624 (or 25622 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 381421676 is about 19530.0198668614. The cubic root of 381421676 is about 725.2178028137.

The spelling of 381421676 in words is "three hundred eighty-one million, four hundred twenty-one thousand, six hundred seventy-six".