4578943 has 4 divisors (see below), whose sum is σ = 4819960. Its totient is φ = 4337928.

The previous prime is 4578929. The next prime is 4578947. The reversal of 4578943 is 3498754.

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

It is not a de Polignac number, because 4578943 - 2¹³ = 4570751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4578896 and 4578905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578947) 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, 120480 + ... + 120517.

It is an arithmetic number, because the mean of its divisors is an integer number (1204990).

Almost surely, 2^4578943 is an apocalyptic number.

4578943 is a deficient number, since it is larger than the sum of its proper divisors (241017).

4578943 is a wasteful number, since it uses less digits than its factorization.

4578943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241016.

The product of its digits is 120960, while the sum is 40.

The square root of 4578943 is about 2139.8464898212. The cubic root of 4578943 is about 166.0561937783.

The spelling of 4578943 in words is "four million, five hundred seventy-eight thousand, nine hundred forty-three".