5791985 has 8 divisors (see below), whose sum is σ = 7359336. Its totient is φ = 4360960.

The previous prime is 5791963. The next prime is 5791987. The reversal of 5791985 is 5891975.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 5726449 = 256^2 + 2393^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5791985 - 2⁶ = 5791921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5791987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33986 + ... + 34155.

It is an arithmetic number, because the mean of its divisors is an integer number (919917).

Almost surely, 2^5791985 is an apocalyptic number.

It is an amenable number.

5791985 is a deficient number, since it is larger than the sum of its proper divisors (1567351).

5791985 is a wasteful number, since it uses less digits than its factorization.

5791985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68163.

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

The square root of 5791985 is about 2406.6543166811. The cubic root of 5791985 is about 179.5873778958.

It can be divided in two parts, 5791 and 985, that added together give a palindrome (6776).

The spelling of 5791985 in words is "five million, seven hundred ninety-one thousand, nine hundred eighty-five".