3916565 has 8 divisors (see below), whose sum is σ = 4947360. Its totient is φ = 2968272.

The previous prime is 3916543. The next prime is 3916609. The reversal of 3916565 is 5656193.

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

It is a cyclic number.

It is not a de Polignac number, because 3916565 - 2⁸ = 3916309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20519 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (618420).

Almost surely, 2^3916565 is an apocalyptic number.

It is an amenable number.

3916565 is a deficient number, since it is larger than the sum of its proper divisors (1030795).

3916565 is a wasteful number, since it uses less digits than its factorization.

3916565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41251.

The product of its digits is 24300, while the sum is 35.

The square root of 3916565 is about 1979.0313287060. The cubic root of 3916565 is about 157.6286343094.

The spelling of 3916565 in words is "three million, nine hundred sixteen thousand, five hundred sixty-five".