4321943 has 4 divisors (see below), whose sum is σ = 4326288. Its totient is φ = 4317600.

The previous prime is 4321931. The next prime is 4321981. The reversal of 4321943 is 3491234.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4321943 - 2¹⁰ = 4320919 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 (4321243) 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, 143 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (1081572).

Almost surely, 2^4321943 is an apocalyptic number.

4321943 is a deficient number, since it is larger than the sum of its proper divisors (4345).

4321943 is a wasteful number, since it uses less digits than its factorization.

4321943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344.

The product of its digits is 2592, while the sum is 26.

The square root of 4321943 is about 2078.9283296930. The cubic root of 4321943 is about 162.8894705277.

The spelling of 4321943 in words is "four million, three hundred twenty-one thousand, nine hundred forty-three".