381261846 has 48 divisors (see below), whose sum is σ = 925599744. Its totient is φ = 104193936.

The previous prime is 381261841. The next prime is 381261851. The reversal of 381261846 is 648162183.

It is an interprime number because it is at equal distance from previous prime (381261841) and next prime (381261851).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381261841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21430 + ... + 34953.

It is an arithmetic number, because the mean of its divisors is an integer number (19283328).

Almost surely, 2^381261846 is an apocalyptic number.

381261846 is an abundant number, since it is smaller than the sum of its proper divisors (544337898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381261846 is a wasteful number, since it uses less digits than its factorization.

381261846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56425 (or 56418 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 381261846 is about 19525.9275323863. The cubic root of 381261846 is about 725.1164908337.

The spelling of 381261846 in words is "three hundred eighty-one million, two hundred sixty-one thousand, eight hundred forty-six".