381097942 has 24 divisors (see below), whose sum is σ = 626869440. Its totient is φ = 173546880.

The previous prime is 381097921. The next prime is 381097957. The reversal of 381097942 is 249790183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7284 + ... + 28552.

It is an arithmetic number, because the mean of its divisors is an integer number (26119560).

Almost surely, 2^381097942 is an apocalyptic number.

381097942 is a deficient number, since it is larger than the sum of its proper divisors (245771498).

381097942 is a wasteful number, since it uses less digits than its factorization.

381097942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21336 (or 21319 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 381097942 is about 19521.7299950594. The cubic root of 381097942 is about 725.0125670434.

The spelling of 381097942 in words is "three hundred eighty-one million, ninety-seven thousand, nine hundred forty-two".