4180943 has 4 divisors (see below), whose sum is σ = 4502568. Its totient is φ = 3859320.

The previous prime is 4180927. The next prime is 4180949. The reversal of 4180943 is 3490814.

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 4180943 - 2⁴ = 4180927 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 (4180949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160793 + ... + 160818.

It is an arithmetic number, because the mean of its divisors is an integer number (1125642).

Almost surely, 2^4180943 is an apocalyptic number.

4180943 is a deficient number, since it is larger than the sum of its proper divisors (321625).

4180943 is a wasteful number, since it uses less digits than its factorization.

4180943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321624.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4180943 is about 2044.7354352092. The cubic root of 4180943 is about 161.0984699114.

The spelling of 4180943 in words is "four million, one hundred eighty thousand, nine hundred forty-three".