3943929 has 8 divisors (see below), whose sum is σ = 5736672. Its totient is φ = 2390240.

The previous prime is 3943921. The next prime is 3943931. The reversal of 3943929 is 9293493.

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 3943929 - 2³ = 3943921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3943921) 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, 59724 + ... + 59789.

It is an arithmetic number, because the mean of its divisors is an integer number (717084).

Almost surely, 2^3943929 is an apocalyptic number.

It is an amenable number.

3943929 is a deficient number, since it is larger than the sum of its proper divisors (1792743).

3943929 is a wasteful number, since it uses less digits than its factorization.

3943929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119527.

The product of its digits is 52488, while the sum is 39.

The square root of 3943929 is about 1985.9327783185. The cubic root of 3943929 is about 157.9948858036.

The spelling of 3943929 in words is "three million, nine hundred forty-three thousand, nine hundred twenty-nine".