3871573 has 4 divisors (see below), whose sum is σ = 4075360. Its totient is φ = 3667788.

The previous prime is 3871547. The next prime is 3871579. The reversal of 3871573 is 3751783.

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 3871573 - 2¹⁷ = 3740501 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 (3871579) 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, 101865 + ... + 101902.

It is an arithmetic number, because the mean of its divisors is an integer number (1018840).

Almost surely, 2^3871573 is an apocalyptic number.

It is an amenable number.

3871573 is a deficient number, since it is larger than the sum of its proper divisors (203787).

3871573 is a wasteful number, since it uses less digits than its factorization.

3871573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203786.

The product of its digits is 17640, while the sum is 34.

The square root of 3871573 is about 1967.6313170917. The cubic root of 3871573 is about 157.0227156876.

It can be divided in two parts, 3871 and 573, that added together give a palindrome (4444).

The spelling of 3871573 in words is "three million, eight hundred seventy-one thousand, five hundred seventy-three".