5727891 has 16 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 3503904.

The previous prime is 5727889. The next prime is 5727907. The reversal of 5727891 is 1987275.

It is not a de Polignac number, because 5727891 - 2¹ = 5727889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5727791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8530 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^5727891 is an apocalyptic number.

5727891 is a deficient number, since it is larger than the sum of its proper divisors (2545773).

5727891 is a wasteful number, since it uses less digits than its factorization.

5727891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its digits is 35280, while the sum is 39.

The square root of 5727891 is about 2393.3012764798. The cubic root of 5727891 is about 178.9224823782.

The spelling of 5727891 in words is "five million, seven hundred twenty-seven thousand, eight hundred ninety-one".