3949622208 has 280 divisors, whose sum is σ = 13816039424. Its totient is φ = 1091750400.

The previous prime is 3949622203. The next prime is 3949622227. The reversal of 3949622208 is 8022269493.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949622203) 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 in 39 ways as a sum of consecutive naturals, for example, 1123173 + ... + 1126683.

Almost surely, 2^3949622208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3949622208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6908019712).

3949622208 is an abundant number, since it is smaller than the sum of its proper divisors (9866417216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3949622208 is a wasteful number, since it uses less digits than its factorization.

3949622208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 3949622208 is about 62846.0198262388. The cubic root of 3949622208 is about 1580.7087308050.

The spelling of 3949622208 in words is "three billion, nine hundred forty-nine million, six hundred twenty-two thousand, two hundred eight".