381874375 has 20 divisors (see below), whose sum is σ = 478490584. Its totient is φ = 304668000.

The previous prime is 381874351. The next prime is 381874379. The reversal of 381874375 is 573478183.

It is not a de Polignac number, because 381874375 - 2¹³ = 381866183 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381874379) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 341317 + ... + 342433.

Almost surely, 2^381874375 is an apocalyptic number.

381874375 is a deficient number, since it is larger than the sum of its proper divisors (96616209).

381874375 is an equidigital number, since it uses as much as digits as its factorization.

381874375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1669 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 381874375 is about 19541.6062543487. The cubic root of 381874375 is about 725.5046031319.

The spelling of 381874375 in words is "three hundred eighty-one million, eight hundred seventy-four thousand, three hundred seventy-five".