381430268 has 6 divisors (see below), whose sum is σ = 667502976. Its totient is φ = 190715132.

The previous prime is 381430261. The next prime is 381430277. The reversal of 381430268 is 862034183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381430261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47678780 + ... + 47678787.

It is an arithmetic number, because the mean of its divisors is an integer number (111250496).

Almost surely, 2^381430268 is an apocalyptic number.

It is an amenable number.

381430268 is a deficient number, since it is larger than the sum of its proper divisors (286072708).

381430268 is a wasteful number, since it uses less digits than its factorization.

381430268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95357571 (or 95357569 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 381430268 is about 19530.2398346769. The cubic root of 381430268 is about 725.2232482520.

The spelling of 381430268 in words is "three hundred eighty-one million, four hundred thirty thousand, two hundred sixty-eight".