3950394850 has 24 divisors (see below), whose sum is σ = 7365309840. Its totient is φ = 1576378320.

The previous prime is 3950394841. The next prime is 3950394859. The reversal of 3950394850 is 584930593.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3950394841) and next prime (3950394859).

It is a self number, because there is not a number n which added to its sum of digits gives 3950394850.

It is not an unprimeable number, because it can be changed into a prime (3950394859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73332 + ... + 115231.

It is an arithmetic number, because the mean of its divisors is an integer number (306887910).

Almost surely, 2^3950394850 is an apocalyptic number.

3950394850 is a deficient number, since it is larger than the sum of its proper divisors (3414914990).

3950394850 is a wasteful number, since it uses less digits than its factorization.

3950394850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188994 (or 188989 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 3950394850 is about 62852.1666293215. The cubic root of 3950394850 is about 1580.8117990868.

The spelling of 3950394850 in words is "three billion, nine hundred fifty million, three hundred ninety-four thousand, eight hundred fifty".