381675085 has 16 divisors (see below), whose sum is σ = 505673280. Its totient is φ = 274234240.

The previous prime is 381675029. The next prime is 381675121. The reversal of 381675085 is 580576183.

It is a de Polignac number, because none of the positive numbers 2^k-381675085 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37240 + ... + 46369.

It is an arithmetic number, because the mean of its divisors is an integer number (31604580).

Almost surely, 2^381675085 is an apocalyptic number.

It is an amenable number.

381675085 is a deficient number, since it is larger than the sum of its proper divisors (123998195).

381675085 is a wasteful number, since it uses less digits than its factorization.

381675085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83708.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 381675085 is about 19536.5064686602. The cubic root of 381675085 is about 725.3783740359.

The spelling of 381675085 in words is "three hundred eighty-one million, six hundred seventy-five thousand, eighty-five".