3943407 has 8 divisors (see below), whose sum is σ = 5662384. Its totient is φ = 2426688.

The previous prime is 3943403. The next prime is 3943409. The reversal of 3943407 is 7043493.

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

It is not a de Polignac number, because 3943407 - 2² = 3943403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943403) 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, 50518 + ... + 50595.

It is an arithmetic number, because the mean of its divisors is an integer number (707798).

Almost surely, 2^3943407 is an apocalyptic number.

3943407 is a deficient number, since it is larger than the sum of its proper divisors (1718977).

3943407 is a wasteful number, since it uses less digits than its factorization.

3943407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101129.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3943407 is about 1985.8013495816. The cubic root of 3943407 is about 157.9879150080.

The spelling of 3943407 in words is "three million, nine hundred forty-three thousand, four hundred seven".