3996789 has 8 divisors (see below), whose sum is σ = 5353440. Its totient is φ = 2652336.

The previous prime is 3996763. The next prime is 3996791. The reversal of 3996789 is 9876993.

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

It is not a de Polignac number, because 3996789 - 2⁹ = 3996277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996589) 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, 2254 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (669180).

Almost surely, 2^3996789 is an apocalyptic number.

It is an amenable number.

3996789 is a deficient number, since it is larger than the sum of its proper divisors (1356651).

3996789 is a wasteful number, since it uses less digits than its factorization.

3996789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099.

The product of its digits is 734832, while the sum is 51.

The square root of 3996789 is about 1999.1970888334. The cubic root of 3996789 is about 158.6976176193.

The spelling of 3996789 in words is "three million, nine hundred ninety-six thousand, seven hundred eighty-nine".