381412238 has 16 divisors (see below), whose sum is σ = 618663744. Its totient is φ = 175668480.

The previous prime is 381412223. The next prime is 381412249. The reversal of 381412238 is 832214183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117743 + ... + 120938.

It is an arithmetic number, because the mean of its divisors is an integer number (38666484).

Almost surely, 2^381412238 is an apocalyptic number.

381412238 is a deficient number, since it is larger than the sum of its proper divisors (237251506).

381412238 is a wasteful number, since it uses less digits than its factorization.

381412238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238747.

The product of its digits is 9216, while the sum is 32.

The square root of 381412238 is about 19529.7782373482. The cubic root of 381412238 is about 725.2118211033.

The spelling of 381412238 in words is "three hundred eighty-one million, four hundred twelve thousand, two hundred thirty-eight".