4055943 has 4 divisors (see below), whose sum is σ = 5407928. Its totient is φ = 2703960.

The previous prime is 4055927. The next prime is 4055957. The reversal of 4055943 is 3495504.

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

It is not a de Polignac number, because 4055943 - 2⁴ = 4055927 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4055943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055923) 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, 675988 + ... + 675993.

It is an arithmetic number, because the mean of its divisors is an integer number (1351982).

Almost surely, 2^4055943 is an apocalyptic number.

4055943 is a deficient number, since it is larger than the sum of its proper divisors (1351985).

4055943 is a wasteful number, since it uses less digits than its factorization.

4055943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351984.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 4055943 is about 2013.9371886928. The cubic root of 4055943 is about 159.4767149245.

The spelling of 4055943 in words is "four million, fifty-five thousand, nine hundred forty-three".