3847789 has 8 divisors (see below), whose sum is σ = 4212000. Its totient is φ = 3486000.

The previous prime is 3847783. The next prime is 3847799. The reversal of 3847789 is 9877483.

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 3847789 - 2¹¹ = 3845741 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 (3847783) 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, 5139 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (526500).

Almost surely, 2^3847789 is an apocalyptic number.

It is an amenable number.

3847789 is a deficient number, since it is larger than the sum of its proper divisors (364211).

3847789 is a wasteful number, since it uses less digits than its factorization.

3847789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211.

The product of its digits is 338688, while the sum is 46.

The square root of 3847789 is about 1961.5781911512. The cubic root of 3847789 is about 156.7005122792.

The spelling of 3847789 in words is "three million, eight hundred forty-seven thousand, seven hundred eighty-nine".