381297895 has 12 divisors (see below), whose sum is σ = 499343256. Its totient is φ = 277202240.

The previous prime is 381297881. The next prime is 381297929. The reversal of 381297895 is 598792183.

It is not a de Polignac number, because 381297895 - 2²⁷ = 247080167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143499 + ... + 146131.

It is an arithmetic number, because the mean of its divisors is an integer number (41611938).

Almost surely, 2^381297895 is an apocalyptic number.

381297895 is a deficient number, since it is larger than the sum of its proper divisors (118045361).

381297895 is an frugal number, since it uses more digits than its factorization.

381297895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282 (or 2649 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 381297895 is about 19526.8506165229. The cubic root of 381297895 is about 725.1393438072.

The spelling of 381297895 in words is "three hundred eighty-one million, two hundred ninety-seven thousand, eight hundred ninety-five".