381874967 has 4 divisors (see below), whose sum is σ = 382068000. Its totient is φ = 381681936.

The previous prime is 381874937. The next prime is 381874981. The reversal of 381874967 is 769478183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769478183 = 67 ⋅11484749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381874967 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381874907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93518 + ... + 97515.

It is an arithmetic number, because the mean of its divisors is an integer number (95517000).

Almost surely, 2^381874967 is an apocalyptic number.

381874967 is a deficient number, since it is larger than the sum of its proper divisors (193033).

381874967 is a wasteful number, since it uses less digits than its factorization.

381874967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193032.

The product of its digits is 2032128, while the sum is 53.

The square root of 381874967 is about 19541.6214015112. The cubic root of 381874967 is about 725.5049780357.

The spelling of 381874967 in words is "three hundred eighty-one million, eight hundred seventy-four thousand, nine hundred sixty-seven".