3918345 has 8 divisors (see below), whose sum is σ = 6269376. Its totient is φ = 2089776.

The previous prime is 3918323. The next prime is 3918353. The reversal of 3918345 is 5438193.

3918345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3918345 - 2⁶ = 3918281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130597 + ... + 130626.

It is an arithmetic number, because the mean of its divisors is an integer number (783672).

Almost surely, 2^3918345 is an apocalyptic number.

It is an amenable number.

3918345 is a deficient number, since it is larger than the sum of its proper divisors (2351031).

3918345 is a wasteful number, since it uses less digits than its factorization.

3918345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261231.

The product of its digits is 12960, while the sum is 33.

The square root of 3918345 is about 1979.4809925837. The cubic root of 3918345 is about 157.6525103738.

The spelling of 3918345 in words is "three million, nine hundred eighteen thousand, three hundred forty-five".