3964917 has 16 divisors (see below), whose sum is σ = 5815872. Its totient is φ = 2382720.

The previous prime is 3964913. The next prime is 3964937. The reversal of 3964917 is 7194693.

It is not a de Polignac number, because 3964917 - 2² = 3964913 is a prime.

3964917 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4083 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (363492).

Almost surely, 2^3964917 is an apocalyptic number.

It is an amenable number.

3964917 is a deficient number, since it is larger than the sum of its proper divisors (1850955).

3964917 is a wasteful number, since it uses less digits than its factorization.

3964917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its digits is 40824, while the sum is 39.

The square root of 3964917 is about 1991.2099336835. The cubic root of 3964917 is about 158.2746518152.

The spelling of 3964917 in words is "three million, nine hundred sixty-four thousand, nine hundred seventeen".