5784991 has 2 divisors, whose sum is σ = 5784992. Its totient is φ = 5784990.

The previous prime is 5784973. The next prime is 5785001. The reversal of 5784991 is 1994875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5784991 - 2⁵ = 5784959 is a prime.

It is a super-2 number, since 2×5784991² = 66932241740162, which contains 22 as substring.

5784991 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5784931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2892495 + 2892496.

It is an arithmetic number, because the mean of its divisors is an integer number (2892496).

Almost surely, 2^5784991 is an apocalyptic number.

5784991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5784991 is an equidigital number, since it uses as much as digits as its factorization.

5784991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 43.

The square root of 5784991 is about 2405.2008232162. The cubic root of 5784991 is about 179.5150630200.

It can be divided in two parts, 5 and 784991, that added together give a square (784996 = 886²).

The spelling of 5784991 in words is "five million, seven hundred eighty-four thousand, nine hundred ninety-one".