3994037268 has 48 divisors (see below), whose sum is σ = 10064396160. Its totient is φ = 1225494144.

The previous prime is 3994037251. The next prime is 3994037293. The reversal of 3994037268 is 8627304993.

It is a self number, because there is not a number n which added to its sum of digits gives 3994037268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20346 + ... + 91662.

It is an arithmetic number, because the mean of its divisors is an integer number (209674920).

Almost surely, 2^3994037268 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 3994037268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5032198080).

3994037268 is an abundant number, since it is smaller than the sum of its proper divisors (6070358892).

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

3994037268 is a wasteful number, since it uses less digits than its factorization.

3994037268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71696 (or 71694 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 3994037268 is about 63198.3960872426. The cubic root of 3994037268 is about 1586.6118891202.

The spelling of 3994037268 in words is "three billion, nine hundred ninety-four million, thirty-seven thousand, two hundred sixty-eight".