3813873 has 16 divisors (see below), whose sum is σ = 5847936. Its totient is φ = 2165760.

The previous prime is 3813871. The next prime is 3813893. The reversal of 3813873 is 3783183.

It is not a de Polignac number, because 3813873 - 2¹ = 3813871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813871) 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, 3583 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (365496).

Almost surely, 2^3813873 is an apocalyptic number.

It is an amenable number.

3813873 is a deficient number, since it is larger than the sum of its proper divisors (2034063).

3813873 is a wasteful number, since it uses less digits than its factorization.

3813873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 12096, while the sum is 33.

The square root of 3813873 is about 1952.9139766001. The cubic root of 3813873 is about 156.2387452160.

The spelling of 3813873 in words is "three million, eight hundred thirteen thousand, eight hundred seventy-three".