380934185 has 4 divisors (see below), whose sum is σ = 457121028. Its totient is φ = 304747344.

The previous prime is 380934179. The next prime is 380934199. The reversal of 380934185 is 581439083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41011216 + 339922969 = 6404^2 + 18437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380934185 is a prime.

It is a super-2 number, since 2×380934185² = 290221706603228450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38093414 + ... + 38093423.

It is an arithmetic number, because the mean of its divisors is an integer number (114280257).

Almost surely, 2^380934185 is an apocalyptic number.

It is an amenable number.

380934185 is a deficient number, since it is larger than the sum of its proper divisors (76186843).

380934185 is an equidigital number, since it uses as much as digits as its factorization.

380934185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76186842.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 380934185 is about 19517.5353208339. The cubic root of 380934185 is about 724.9087066973.

The spelling of 380934185 in words is "three hundred eighty million, nine hundred thirty-four thousand, one hundred eighty-five".