4791591 has 24 divisors (see below), whose sum is σ = 8328320. Its totient is φ = 2593296.

The previous prime is 4791559. The next prime is 4791623. The reversal of 4791591 is 1951974.

It is an interprime number because it is at equal distance from previous prime (4791559) and next prime (4791623).

It is not a de Polignac number, because 4791591 - 2⁵ = 4791559 is a prime.

It is a super-2 number, since 2×4791591² = 45918688622562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791511) 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 23 ways as a sum of consecutive naturals, for example, 805 + ... + 3198.

Almost surely, 2^4791591 is an apocalyptic number.

4791591 is a deficient number, since it is larger than the sum of its proper divisors (3536729).

4791591 is a wasteful number, since it uses less digits than its factorization.

4791591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035 (or 4032 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 4791591 is about 2188.9703058744. The cubic root of 4791591 is about 168.5879695743.

The spelling of 4791591 in words is "four million, seven hundred ninety-one thousand, five hundred ninety-one".