381593938 has 8 divisors (see below), whose sum is σ = 624426480. Its totient is φ = 173451780.

The previous prime is 381593923. The next prime is 381593941. The reversal of 381593938 is 839395183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×381593938² = 291227867036695688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 381593891 and 381593900.

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, 8672568 + ... + 8672611.

It is an arithmetic number, because the mean of its divisors is an integer number (78053310).

Almost surely, 2^381593938 is an apocalyptic number.

381593938 is a deficient number, since it is larger than the sum of its proper divisors (242832542).

381593938 is a wasteful number, since it uses less digits than its factorization.

381593938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17345192.

The product of its digits is 699840, while the sum is 49.

The square root of 381593938 is about 19534.4295539952. The cubic root of 381593938 is about 725.3269634223.

The spelling of 381593938 in words is "three hundred eighty-one million, five hundred ninety-three thousand, nine hundred thirty-eight".