3380638185 has 12 divisors (see below), whose sum is σ = 5859772932. Its totient is φ = 1803007008.

The previous prime is 3380638127. The next prime is 3380638201. The reversal of 3380638185 is 5818360833.

3380638185 is a `hidden beast` number, since 3 + 3 + 8 + 0 + 638 + 1 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1567922409 + 1812715776 = 39597^2 + 42576^2 .

It is not a de Polignac number, because 3380638185 - 2¹⁶ = 3380572649 is a prime.

It is a super-2 number, since 2×3380638185² = 22857429075760188450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 75125293 = 3380638185 / (3 + 3 + 8 + 0 + 6 + 3 + 8 + 1 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3380638185.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37562602 + ... + 37562691.

It is an arithmetic number, because the mean of its divisors is an integer number (488314411).

Almost surely, 2^3380638185 is an apocalyptic number.

It is an amenable number.

3380638185 is a deficient number, since it is larger than the sum of its proper divisors (2479134747).

3380638185 is a wasteful number, since it uses less digits than its factorization.

3380638185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75125304 (or 75125301 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3380638185 is about 58143.2557137971. The cubic root of 3380638185 is about 1500.8348219620.

The spelling of 3380638185 in words is "three billion, three hundred eighty million, six hundred thirty-eight thousand, one hundred eighty-five".