381352767 has 16 divisors (see below), whose sum is σ = 532992768. Its totient is φ = 242262720.

The previous prime is 381352757. The next prime is 381352787. The reversal of 381352767 is 767253183.

It is not a de Polignac number, because 381352767 - 2⁶ = 381352703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381352757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30763 + ... + 41340.

It is an arithmetic number, because the mean of its divisors is an integer number (33312048).

Almost surely, 2^381352767 is an apocalyptic number.

381352767 is a deficient number, since it is larger than the sum of its proper divisors (151640001).

381352767 is a wasteful number, since it uses less digits than its factorization.

381352767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72190.

The product of its digits is 211680, while the sum is 42.

The square root of 381352767 is about 19528.2556056602. The cubic root of 381352767 is about 725.1741267053.

The spelling of 381352767 in words is "three hundred eighty-one million, three hundred fifty-two thousand, seven hundred sixty-seven".