381008085 has 16 divisors (see below), whose sum is σ = 622584576. Its totient is φ = 198880448.

The previous prime is 381008053. The next prime is 381008093. The reversal of 381008085 is 580800183.

It is a cyclic number.

It is not a de Polignac number, because 381008085 - 2⁵ = 381008053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269514 + ... + 270923.

It is an arithmetic number, because the mean of its divisors is an integer number (38911536).

Almost surely, 2^381008085 is an apocalyptic number.

It is an amenable number.

381008085 is a deficient number, since it is larger than the sum of its proper divisors (241576491).

381008085 is a wasteful number, since it uses less digits than its factorization.

381008085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540492.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 381008085 is about 19519.4283983932. The cubic root of 381008085 is about 724.9555803146.

The spelling of 381008085 in words is "three hundred eighty-one million, eight thousand, eighty-five".