5871849 has 4 divisors (see below), whose sum is σ = 7829136. Its totient is φ = 3914564.

The previous prime is 5871841. The next prime is 5871871. The reversal of 5871849 is 9481785.

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 5871849 - 2³ = 5871841 is a prime.

It is a super-2 number, since 2×5871849² = 68957221357602, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5871849.

It is not an unprimeable number, because it can be changed into a prime (5871841) 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, 978639 + ... + 978644.

It is an arithmetic number, because the mean of its divisors is an integer number (1957284).

Almost surely, 2^5871849 is an apocalyptic number.

It is an amenable number.

5871849 is a deficient number, since it is larger than the sum of its proper divisors (1957287).

5871849 is a wasteful number, since it uses less digits than its factorization.

5871849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957286.

The product of its digits is 80640, while the sum is 42.

The square root of 5871849 is about 2423.1898398598. The cubic root of 5871849 is about 180.4090389160.

The spelling of 5871849 in words is "five million, eight hundred seventy-one thousand, eight hundred forty-nine".