3983943 has 8 divisors (see below), whose sum is σ = 5324400. Its totient is φ = 2649728.

The previous prime is 3983927. The next prime is 3983951. The reversal of 3983943 is 3493893.

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

It is a cyclic number.

It is not a de Polignac number, because 3983943 - 2⁴ = 3983927 is a prime.

3983943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983963) 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, 223 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (665550).

Almost surely, 2^3983943 is an apocalyptic number.

3983943 is a deficient number, since it is larger than the sum of its proper divisors (1340457).

3983943 is a wasteful number, since it uses less digits than its factorization.

3983943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its digits is 69984, while the sum is 39.

The square root of 3983943 is about 1995.9817133431. The cubic root of 3983943 is about 158.5274128533.

The spelling of 3983943 in words is "three million, nine hundred eighty-three thousand, nine hundred forty-three".