4538943 has 8 divisors (see below), whose sum is σ = 6724400. Its totient is φ = 3025944.

The previous prime is 4538939. The next prime is 4538953. The reversal of 4538943 is 3498354.

It is not a de Polignac number, because 4538943 - 2² = 4538939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4538898 and 4538907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538923) 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 7 ways as a sum of consecutive naturals, for example, 84028 + ... + 84081.

It is an arithmetic number, because the mean of its divisors is an integer number (840550).

Almost surely, 2^4538943 is an apocalyptic number.

4538943 is a deficient number, since it is larger than the sum of its proper divisors (2185457).

4538943 is a wasteful number, since it uses less digits than its factorization.

4538943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168118 (or 168112 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4538943 is about 2130.4795234876. The cubic root of 4538943 is about 165.5712431687.

The spelling of 4538943 in words is "four million, five hundred thirty-eight thousand, nine hundred forty-three".