3936565 has 8 divisors (see below), whose sum is σ = 4929408. Its totient is φ = 3012240.

The previous prime is 3936523. The next prime is 3936577. The reversal of 3936565 is 5656393.

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

It is not a de Polignac number, because 3936565 - 2⁷ = 3936437 is a prime.

It is a Duffinian 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, 17001 + ... + 17230.

It is an arithmetic number, because the mean of its divisors is an integer number (616176).

Almost surely, 2^3936565 is an apocalyptic number.

It is an amenable number.

3936565 is a deficient number, since it is larger than the sum of its proper divisors (992843).

3936565 is a wasteful number, since it uses less digits than its factorization.

3936565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34259.

The product of its digits is 72900, while the sum is 37.

The square root of 3936565 is about 1984.0778714557. The cubic root of 3936565 is about 157.8964899123.

The spelling of 3936565 in words is "three million, nine hundred thirty-six thousand, five hundred sixty-five".