3929789 has 8 divisors (see below), whose sum is σ = 4177440. Its totient is φ = 3686256.

The previous prime is 3929773. The next prime is 3929797. The reversal of 3929789 is 9879293.

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 3929789 - 2⁴ = 3929773 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (522180).

Almost surely, 2^3929789 is an apocalyptic number.

It is an amenable number.

3929789 is a deficient number, since it is larger than the sum of its proper divisors (247651).

3929789 is a wasteful number, since it uses less digits than its factorization.

3929789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its digits is 244944, while the sum is 47.

The square root of 3929789 is about 1982.3695417353. The cubic root of 3929789 is about 157.8058422640.

The spelling of 3929789 in words is "three million, nine hundred twenty-nine thousand, seven hundred eighty-nine".