3994680912 has 20 divisors (see below), whose sum is σ = 10319592480. Its totient is φ = 1331560288.

The previous prime is 3994680847. The next prime is 3994680919. The reversal of 3994680912 is 2190864993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994680919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41611212 + ... + 41611307.

It is an arithmetic number, because the mean of its divisors is an integer number (515979624).

Almost surely, 2^3994680912 is an apocalyptic number.

It is an amenable number.

3994680912 is an abundant number, since it is smaller than the sum of its proper divisors (6324911568).

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

3994680912 is a wasteful number, since it uses less digits than its factorization.

3994680912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83222530 (or 83222524 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3994680912 is about 63203.4881315897. The cubic root of 3994680912 is about 1586.6971126925.

The spelling of 3994680912 in words is "three billion, nine hundred ninety-four million, six hundred eighty thousand, nine hundred twelve".