3940435 has 4 divisors (see below), whose sum is σ = 4728528. Its totient is φ = 3152344.

The previous prime is 3940427. The next prime is 3940439. The reversal of 3940435 is 5340493.

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

It is a cyclic number.

It is not a de Polignac number, because 3940435 - 2³ = 3940427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940439) 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, 394039 + ... + 394048.

It is an arithmetic number, because the mean of its divisors is an integer number (1182132).

Almost surely, 2^3940435 is an apocalyptic number.

3940435 is a deficient number, since it is larger than the sum of its proper divisors (788093).

3940435 is an equidigital number, since it uses as much as digits as its factorization.

3940435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788092.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3940435 is about 1985.0528960207. The cubic root of 3940435 is about 157.9482151502.

The spelling of 3940435 in words is "three million, nine hundred forty thousand, four hundred thirty-five".