5726891 has 4 divisors (see below), whose sum is σ = 5924400. Its totient is φ = 5529384.

The previous prime is 5726887. The next prime is 5726893. The reversal of 5726891 is 1986275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5726891 - 2² = 5726887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5726893) 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 3 ways as a sum of consecutive naturals, for example, 98711 + ... + 98768.

It is an arithmetic number, because the mean of its divisors is an integer number (1481100).

Almost surely, 2^5726891 is an apocalyptic number.

5726891 is a deficient number, since it is larger than the sum of its proper divisors (197509).

5726891 is a wasteful number, since it uses less digits than its factorization.

5726891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197508.

The product of its digits is 30240, while the sum is 38.

The square root of 5726891 is about 2393.0923509134. The cubic root of 5726891 is about 178.9120694185.

The spelling of 5726891 in words is "five million, seven hundred twenty-six thousand, eight hundred ninety-one".