381050871 has 16 divisors (see below), whose sum is σ = 535920000. Its totient is φ = 240163488.

The previous prime is 381050863. The next prime is 381050897. The reversal of 381050871 is 178050183.

It is not a de Polignac number, because 381050871 - 2³ = 381050863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381050071) 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, 21745 + ... + 35141.

It is an arithmetic number, because the mean of its divisors is an integer number (33495000).

Almost surely, 2^381050871 is an apocalyptic number.

381050871 is a deficient number, since it is larger than the sum of its proper divisors (154869129).

381050871 is a wasteful number, since it uses less digits than its factorization.

381050871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 381050871 is about 19520.5243525885. The cubic root of 381050871 is about 724.9827160366.

The spelling of 381050871 in words is "three hundred eighty-one million, fifty thousand, eight hundred seventy-one".