3991714344 has 96 divisors (see below), whose sum is σ = 11227900320. Its totient is φ = 1328602176.

The previous prime is 3991714339. The next prime is 3991714361. The reversal of 3991714344 is 4434171993.

It is a self number, because there is not a number n which added to its sum of digits gives 3991714344.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1968259 + ... + 1970285.

It is an arithmetic number, because the mean of its divisors is an integer number (116957295).

Almost surely, 2^3991714344 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 3991714344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5613950160).

3991714344 is an abundant number, since it is smaller than the sum of its proper divisors (7236185976).

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

3991714344 is a wasteful number, since it uses less digits than its factorization.

3991714344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3045 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3991714344 is about 63180.0153846135. The cubic root of 3991714344 is about 1586.3042393807.

The spelling of 3991714344 in words is "three billion, nine hundred ninety-one million, seven hundred fourteen thousand, three hundred forty-four".