3994468 has 6 divisors (see below), whose sum is σ = 6990326. Its totient is φ = 1997232.

The previous prime is 3994453. The next prime is 3994481. The reversal of 3994468 is 8644993.

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 338724 = 1912^2 + 582^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499305 + ... + 499312.

Almost surely, 2^3994468 is an apocalyptic number.

It is an amenable number.

3994468 is a deficient number, since it is larger than the sum of its proper divisors (2995858).

3994468 is a wasteful number, since it uses less digits than its factorization.

3994468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998621 (or 998619 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 3994468 is about 1998.6165214968. The cubic root of 3994468 is about 158.6668922468. Note that the first 3 decimals are identical.

The spelling of 3994468 in words is "three million, nine hundred ninety-four thousand, four hundred sixty-eight".