381445324 has 12 divisors (see below), whose sum is σ = 718877824. Its totient is φ = 176051664.

The previous prime is 381445319. The next prime is 381445333. The reversal of 381445324 is 423544183.

It is a self number, because there is not a number n which added to its sum of digits gives 381445324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667692 + ... + 3667795.

Almost surely, 2^381445324 is an apocalyptic number.

It is an amenable number.

381445324 is a deficient number, since it is larger than the sum of its proper divisors (337432500).

381445324 is a wasteful number, since it uses less digits than its factorization.

381445324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335504 (or 7335502 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 381445324 is about 19530.6252844091. The cubic root of 381445324 is about 725.2327902474.

The spelling of 381445324 in words is "three hundred eighty-one million, four hundred forty-five thousand, three hundred twenty-four".