381374693 has 12 divisors (see below), whose sum is σ = 445754592. Its totient is φ = 325334520.

The previous prime is 381374689. The next prime is 381374699. The reversal of 381374693 is 396473183.

It is not a de Polignac number, because 381374693 - 2² = 381374689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381374699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8105 + ... + 28782.

It is an arithmetic number, because the mean of its divisors is an integer number (37146216).

Almost surely, 2^381374693 is an apocalyptic number.

It is an amenable number.

381374693 is a deficient number, since it is larger than the sum of its proper divisors (64379899).

381374693 is a wasteful number, since it uses less digits than its factorization.

381374693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37112 (or 37105 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 381374693 is about 19528.8169892597. The cubic root of 381374693 is about 725.1880244789.

It can be divided in two parts, 38 and 1374693, that added together give a palindrome (1374731).

The spelling of 381374693 in words is "three hundred eighty-one million, three hundred seventy-four thousand, six hundred ninety-three".