3996403 has 8 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 3655008.

The previous prime is 3996397. The next prime is 3996413. The reversal of 3996403 is 3046993.

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 3996403 - 2⁹ = 3995891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3996413) 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, 3076 + ... + 4177.

It is an arithmetic number, because the mean of its divisors is an integer number (544050).

Almost surely, 2^3996403 is an apocalyptic number.

3996403 is a deficient number, since it is larger than the sum of its proper divisors (355997).

3996403 is a wasteful number, since it uses less digits than its factorization.

3996403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 3996403 is about 1999.1005477464. The cubic root of 3996403 is about 158.6925085803.

The spelling of 3996403 in words is "three million, nine hundred ninety-six thousand, four hundred three".