3994672 has 20 divisors (see below), whose sum is σ = 8443656. Its totient is φ = 1815680.

The previous prime is 3994621. The next prime is 3994681. The reversal of 3994672 is 2764993.

3994672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11173 + ... + 11524.

Almost surely, 2^3994672 is an apocalyptic number.

It is an amenable number.

3994672 is an abundant number, since it is smaller than the sum of its proper divisors (4448984).

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

3994672 is a wasteful number, since it uses less digits than its factorization.

3994672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22716 (or 22710 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 3994672 is about 1998.6675561483. The cubic root of 3994672 is about 158.6695932735.

The spelling of 3994672 in words is "three million, nine hundred ninety-four thousand, six hundred seventy-two".