4011943 has 8 divisors (see below), whose sum is σ = 4421648. Its totient is φ = 3616704.

The previous prime is 4011929. The next prime is 4011977. The reversal of 4011943 is 3491104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4011943 - 2⁵ = 4011911 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 (4011923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 4147.

It is an arithmetic number, because the mean of its divisors is an integer number (552706).

Almost surely, 2^4011943 is an apocalyptic number.

4011943 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4011943 is a deficient number, since it is larger than the sum of its proper divisors (409705).

4011943 is a wasteful number, since it uses less digits than its factorization.

4011943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4011943 is about 2002.9835246452. The cubic root of 4011943 is about 158.8979343112.

The spelling of 4011943 in words is "four million, eleven thousand, nine hundred forty-three".