3949935223 has 16 divisors (see below), whose sum is σ = 4316338656. Its totient is φ = 3592702080.

The previous prime is 3949935221. The next prime is 3949935233. The reversal of 3949935223 is 3225399493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3949935223 - 2¹ = 3949935221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949935221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423753 + ... + 432973.

It is an arithmetic number, because the mean of its divisors is an integer number (269771166).

Almost surely, 2^3949935223 is an apocalyptic number.

3949935223 is a deficient number, since it is larger than the sum of its proper divisors (366403433).

3949935223 is a wasteful number, since it uses less digits than its factorization.

3949935223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714.

The product of its digits is 1574640, while the sum is 49.

The square root of 3949935223 is about 62848.5101096279. The cubic root of 3949935223 is about 1580.7504877501.

The spelling of 3949935223 in words is "three billion, nine hundred forty-nine million, nine hundred thirty-five thousand, two hundred twenty-three".