3993441 has 8 divisors (see below), whose sum is σ = 5454624. Its totient is φ = 2597280.

The previous prime is 3993427. The next prime is 3993443. The reversal of 3993441 is 1443993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3993441 - 2⁶ = 3993377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3993443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16111 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (681828).

Almost surely, 2^3993441 is an apocalyptic number.

It is an amenable number.

3993441 is a deficient number, since it is larger than the sum of its proper divisors (1461183).

3993441 is a wasteful number, since it uses less digits than its factorization.

3993441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32511.

The product of its digits is 11664, while the sum is 33.

The square root of 3993441 is about 1998.3595772533. The cubic root of 3993441 is about 158.6532930336.

The spelling of 3993441 in words is "three million, nine hundred ninety-three thousand, four hundred forty-one".