3944172206 has 16 divisors (see below), whose sum is σ = 6379629984. Its totient is φ = 1818022944.

The previous prime is 3944172203. The next prime is 3944172217. The reversal of 3944172206 is 6022714493.

It is a self number, because there is not a number n which added to its sum of digits gives 3944172206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944172203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78026 + ... + 118221.

It is an arithmetic number, because the mean of its divisors is an integer number (398726874).

Almost surely, 2^3944172206 is an apocalyptic number.

3944172206 is a deficient number, since it is larger than the sum of its proper divisors (2435457778).

3944172206 is a wasteful number, since it uses less digits than its factorization.

3944172206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197035.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3944172206 is about 62802.6448965328. The cubic root of 3944172206 is about 1579.9813337003.

Adding to 3944172206 its reverse (6022714493), we get a palindrome (9966886699).

The spelling of 3944172206 in words is "three billion, nine hundred forty-four million, one hundred seventy-two thousand, two hundred six".