381595461 has 32 divisors (see below), whose sum is σ = 590241792. Its totient is φ = 217356480.

The previous prime is 381595453. The next prime is 381595469. The reversal of 381595461 is 164595183.

It is an interprime number because it is at equal distance from previous prime (381595453) and next prime (381595469).

It is not a de Polignac number, because 381595461 - 2³ = 381595453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381595469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20946 + ... + 34668.

It is an arithmetic number, because the mean of its divisors is an integer number (18445056).

Almost surely, 2^381595461 is an apocalyptic number.

381595461 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

381595461 is a deficient number, since it is larger than the sum of its proper divisors (208646331).

381595461 is a wasteful number, since it uses less digits than its factorization.

381595461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793.

The product of its digits is 129600, while the sum is 42.

The square root of 381595461 is about 19534.4685364102. The cubic root of 381595461 is about 725.3279283848.

The spelling of 381595461 in words is "three hundred eighty-one million, five hundred ninety-five thousand, four hundred sixty-one".