3993401 has 8 divisors (see below), whose sum is σ = 4267680. Its totient is φ = 3725568.

The previous prime is 3993397. The next prime is 3993427. The reversal of 3993401 is 1043993.

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

It is a cyclic number.

It is not a de Polignac number, because 3993401 - 2² = 3993397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993481) 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, 296 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (533460).

Almost surely, 2^3993401 is an apocalyptic number.

It is an amenable number.

3993401 is a deficient number, since it is larger than the sum of its proper divisors (274279).

3993401 is a wasteful number, since it uses less digits than its factorization.

3993401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3993401 is about 1998.3495690194. The cubic root of 3993401 is about 158.6527633189.

The spelling of 3993401 in words is "three million, nine hundred ninety-three thousand, four hundred one".