3994288 has 20 divisors (see below), whose sum is σ = 7989568. Its totient is φ = 1932480.

The previous prime is 3994279. The next prime is 3994357. The reversal of 3994288 is 8824993.

It is a happy number.

3994288 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531 + ... + 4522.

Almost surely, 2^3994288 is an apocalyptic number.

It is an amenable number.

3994288 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3994288 is a wasteful number, since it uses less digits than its factorization.

3994288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8092 (or 8086 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 3994288 is about 1998.5714898397. The cubic root of 3994288 is about 158.6645089115.

The spelling of 3994288 in words is "three million, nine hundred ninety-four thousand, two hundred eighty-eight".