3105038638 has 16 divisors (see below), whose sum is σ = 5024401200. Its totient is φ = 1430646336.

The previous prime is 3105038611. The next prime is 3105038681. The reversal of 3105038638 is 8368305013.

It is a junction number, because it is equal to n+sod(n) for n = 3105038597 and 3105038606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86463 + ... + 116986.

It is an arithmetic number, because the mean of its divisors is an integer number (314025075).

Almost surely, 2^3105038638 is an apocalyptic number.

3105038638 is a deficient number, since it is larger than the sum of its proper divisors (1919362562).

3105038638 is a wasteful number, since it uses less digits than its factorization.

3105038638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204051.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3105038638 is about 55722.8735619404. The cubic root of 3105038638 is about 1458.8892906538.

The spelling of 3105038638 in words is "three billion, one hundred five million, thirty-eight thousand, six hundred thirty-eight".