3869789 has 16 divisors (see below), whose sum is σ = 4993920. Its totient is φ = 2909760.

The previous prime is 3869759. The next prime is 3869791. The reversal of 3869789 is 9879683.

It is a de Polignac number, because none of the positive numbers 2^k-3869789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1367 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (312120).

Almost surely, 2^3869789 is an apocalyptic number.

It is an amenable number.

3869789 is a deficient number, since it is larger than the sum of its proper divisors (1124131).

3869789 is a wasteful number, since it uses less digits than its factorization.

3869789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its digits is 653184, while the sum is 50.

The square root of 3869789 is about 1967.1779278957. The cubic root of 3869789 is about 156.9985935747.

The spelling of 3869789 in words is "three million, eight hundred sixty-nine thousand, seven hundred eighty-nine".