3993464 has 8 divisors (see below), whose sum is σ = 7487760. Its totient is φ = 1996728.

The previous prime is 3993443. The next prime is 3993469. The reversal of 3993464 is 4643993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249584 + ... + 249599.

It is an arithmetic number, because the mean of its divisors is an integer number (935970).

Almost surely, 2^3993464 is an apocalyptic number.

It is an amenable number.

3993464 is a deficient number, since it is larger than the sum of its proper divisors (3494296).

3993464 is a wasteful number, since it uses less digits than its factorization.

3993464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499189 (or 499185 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 3993464 is about 1998.3653319651. The cubic root of 3993464 is about 158.6535976179.

The spelling of 3993464 in words is "three million, nine hundred ninety-three thousand, four hundred sixty-four".