3949221112 has 8 divisors (see below), whose sum is σ = 7404789600. Its totient is φ = 1974610552.

The previous prime is 3949221097. The next prime is 3949221113. The reversal of 3949221112 is 2111229493.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949221113) by changing a digit.

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 as a sum of consecutive naturals, namely, 246826312 + ... + 246826327.

It is an arithmetic number, because the mean of its divisors is an integer number (925598700).

Almost surely, 2^3949221112 is an apocalyptic number.

It is an amenable number.

3949221112 is a deficient number, since it is larger than the sum of its proper divisors (3455568488).

3949221112 is a wasteful number, since it uses less digits than its factorization.

3949221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493652645 (or 493652641 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 3949221112 is about 62842.8286441659. The cubic root of 3949221112 is about 1580.6552204202.

The spelling of 3949221112 in words is "three billion, nine hundred forty-nine million, two hundred twenty-one thousand, one hundred twelve".