3195930638 has 16 divisors (see below), whose sum is σ = 5004996480. Its totient is φ = 1527672696.

The previous prime is 3195930601. The next prime is 3195930653. The reversal of 3195930638 is 8360395913.

3195930638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3195930592 and 3195930601.

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, 73481 + ... + 108587.

It is an arithmetic number, because the mean of its divisors is an integer number (312812280).

Almost surely, 2^3195930638 is an apocalyptic number.

3195930638 is a deficient number, since it is larger than the sum of its proper divisors (1809065842).

3195930638 is a wasteful number, since it uses less digits than its factorization.

3195930638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37111.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 3195930638 is about 56532.5626342907. The cubic root of 3195930638 is about 1472.9876820760.

The spelling of 3195930638 in words is "three billion, one hundred ninety-five million, nine hundred thirty thousand, six hundred thirty-eight".