4456591 has 8 divisors (see below), whose sum is σ = 4627584. Its totient is φ = 4287360.

The previous prime is 4456589. The next prime is 4456609. The reversal of 4456591 is 1956544.

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

It is a cyclic number.

It is not a de Polignac number, because 4456591 - 2¹ = 4456589 is a prime.

It is a super-2 number, since 2×4456591² = 39722406682562, which contains 22 as substring.

It is a Duffinian number.

4456591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4456511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6915 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (578448).

Almost surely, 2^4456591 is an apocalyptic number.

4456591 is a deficient number, since it is larger than the sum of its proper divisors (170993).

4456591 is a wasteful number, since it uses less digits than its factorization.

4456591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its digits is 21600, while the sum is 34.

The square root of 4456591 is about 2111.0639497656. The cubic root of 4456591 is about 164.5637819571.

The spelling of 4456591 in words is "four million, four hundred fifty-six thousand, five hundred ninety-one".