5957891 has 4 divisors (see below), whose sum is σ = 5984832. Its totient is φ = 5930952.

The previous prime is 5957881. The next prime is 5957899. The reversal of 5957891 is 1987595.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1987595 = 5 ⋅397519.

It is a cyclic number.

It is not a de Polignac number, because 5957891 - 2¹⁸ = 5695747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5957899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13136 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (1496208).

Almost surely, 2^5957891 is an apocalyptic number.

5957891 is a deficient number, since it is larger than the sum of its proper divisors (26941).

5957891 is a wasteful number, since it uses less digits than its factorization.

5957891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26940.

The product of its digits is 113400, while the sum is 44.

The square root of 5957891 is about 2440.8791448984. The cubic root of 5957891 is about 181.2859657522.

The spelling of 5957891 in words is "five million, nine hundred fifty-seven thousand, eight hundred ninety-one".