3172806838 has 16 divisors (see below), whose sum is σ = 4806755280. Its totient is φ = 1570617216.

The previous prime is 3172806823. The next prime is 3172806841. The reversal of 3172806838 is 8386082713.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88570 + ... + 119122.

It is an arithmetic number, because the mean of its divisors is an integer number (300422205).

Almost surely, 2^3172806838 is an apocalyptic number.

3172806838 is a deficient number, since it is larger than the sum of its proper divisors (1633948442).

3172806838 is a wasteful number, since it uses less digits than its factorization.

3172806838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 3172806838 is about 56327.6738202458. The cubic root of 3172806838 is about 1469.4265333732.

The spelling of 3172806838 in words is "three billion, one hundred seventy-two million, eight hundred six thousand, eight hundred thirty-eight".