3916689 has 16 divisors (see below), whose sum is σ = 6115200. Its totient is φ = 2183040.

The previous prime is 3916673. The next prime is 3916691. The reversal of 3916689 is 9866193.

It is not a de Polignac number, because 3916689 - 2⁴ = 3916673 is a prime.

3916689 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3916689.

It is not an unprimeable number, because it can be changed into a prime (3916609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^3916689 is an apocalyptic number.

It is an amenable number.

3916689 is a deficient number, since it is larger than the sum of its proper divisors (2198511).

3916689 is a wasteful number, since it uses less digits than its factorization.

3916689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600.

The product of its digits is 69984, while the sum is 42.

The square root of 3916689 is about 1979.0626569161. The cubic root of 3916689 is about 157.6302978202.

The spelling of 3916689 in words is "three million, nine hundred sixteen thousand, six hundred eighty-nine".