3821873 has 4 divisors (see below), whose sum is σ = 4169328. Its totient is φ = 3474420.

The previous prime is 3821863. The next prime is 3821893. The reversal of 3821873 is 3781283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3821873 - 2⁶ = 3821809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3821803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173711 + ... + 173732.

It is an arithmetic number, because the mean of its divisors is an integer number (1042332).

Almost surely, 2^3821873 is an apocalyptic number.

It is an amenable number.

3821873 is a deficient number, since it is larger than the sum of its proper divisors (347455).

3821873 is a wasteful number, since it uses less digits than its factorization.

3821873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347454.

The product of its digits is 8064, while the sum is 32.

The square root of 3821873 is about 1954.9611249332. The cubic root of 3821873 is about 156.3479113261.

The spelling of 3821873 in words is "three million, eight hundred twenty-one thousand, eight hundred seventy-three".