4591943 has 4 divisors (see below), whose sum is σ = 4627128. Its totient is φ = 4556760.

The previous prime is 4591933. The next prime is 4591949. The reversal of 4591943 is 3491954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4591943 - 2⁸ = 4591687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17396 + ... + 17657.

It is an arithmetic number, because the mean of its divisors is an integer number (1156782).

Almost surely, 2^4591943 is an apocalyptic number.

4591943 is a deficient number, since it is larger than the sum of its proper divisors (35185).

4591943 is a wasteful number, since it uses less digits than its factorization.

4591943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35184.

The product of its digits is 19440, while the sum is 35.

The square root of 4591943 is about 2142.8819379518. The cubic root of 4591943 is about 166.2131944076.

The spelling of 4591943 in words is "four million, five hundred ninety-one thousand, nine hundred forty-three".