3994792 has 8 divisors (see below), whose sum is σ = 7490250. Its totient is φ = 1997392.

The previous prime is 3994789. The next prime is 3994799. The reversal of 3994792 is 2974993.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 988036 = 1734^2 + 994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3994799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249667 + ... + 249682.

Almost surely, 2^3994792 is an apocalyptic number.

It is an amenable number.

3994792 is a deficient number, since it is larger than the sum of its proper divisors (3495458).

3994792 is a wasteful number, since it uses less digits than its factorization.

3994792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499355 (or 499351 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 3994792 is about 1998.6975759229. The cubic root of 3994792 is about 158.6711820699.

The spelling of 3994792 in words is "three million, nine hundred ninety-four thousand, seven hundred ninety-two".