381974367 has 8 divisors (see below), whose sum is σ = 514244224. Its totient is φ = 252177048.

The previous prime is 381974353. The next prime is 381974381. The reversal of 381974367 is 763479183.

It is an interprime number because it is at equal distance from previous prime (381974353) and next prime (381974381).

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

It is not a de Polignac number, because 381974367 - 2⁸ = 381974111 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 (381974387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617773 + ... + 618390.

It is an arithmetic number, because the mean of its divisors is an integer number (64280528).

Almost surely, 2^381974367 is an apocalyptic number.

381974367 is a deficient number, since it is larger than the sum of its proper divisors (132269857).

381974367 is a wasteful number, since it uses less digits than its factorization.

381974367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236269.

The product of its digits is 762048, while the sum is 48.

The square root of 381974367 is about 19544.1645255048. The cubic root of 381974367 is about 725.5679209227.

The spelling of 381974367 in words is "three hundred eighty-one million, nine hundred seventy-four thousand, three hundred sixty-seven".