3387138818 has 18 divisors (see below), whose sum is σ = 5911217091. Its totient is φ = 1451384004.

The previous prime is 3387138791. The next prime is 3387138823. The reversal of 3387138818 is 8188317833.

It can be written as a sum of positive squares in only one way, i.e., 1693569409 + 1693569409 = 41153^2 + 41153^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=41153.

It is a super-2 number, since 2×3387138818² = 22945418744804874248, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 573203 + ... + 579081.

Almost surely, 2^3387138818 is an apocalyptic number.

3387138818 is a deficient number, since it is larger than the sum of its proper divisors (2524078273).

3387138818 is an frugal number, since it uses more digits than its factorization.

3387138818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774 (or 5888 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 3387138818 is about 58199.1307323400. The cubic root of 3387138818 is about 1501.7961916792.

Multiplying 3387138818 by its sum of digits (50), we get a square (169356940900 = 411530²).

The spelling of 3387138818 in words is "three billion, three hundred eighty-seven million, one hundred thirty-eight thousand, eight hundred eighteen".