3943429 has 8 divisors (see below), whose sum is σ = 4519040. Its totient is φ = 3370896.

The previous prime is 3943427. The next prime is 3943451. The reversal of 3943429 is 9243493.

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 3943429 - 2¹ = 3943427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3943394 and 3943403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943427) 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, 3832 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (564880).

Almost surely, 2^3943429 is an apocalyptic number.

It is an amenable number.

3943429 is a deficient number, since it is larger than the sum of its proper divisors (575611).

3943429 is an equidigital number, since it uses as much as digits as its factorization.

3943429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 23328, while the sum is 34.

The square root of 3943429 is about 1985.8068888993. The cubic root of 3943429 is about 157.9882088087.

The spelling of 3943429 in words is "three million, nine hundred forty-three thousand, four hundred twenty-nine".