9941565 has 8 divisors (see below), whose sum is σ = 15906528. Its totient is φ = 5302160.

The previous prime is 9941537. The next prime is 9941573. The reversal of 9941565 is 5651499.

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

It is not a de Polignac number, because 9941565 - 2⁹ = 9941053 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, 331371 + ... + 331400.

It is an arithmetic number, because the mean of its divisors is an integer number (1988316).

Almost surely, 2^9941565 is an apocalyptic number.

It is an amenable number.

9941565 is a deficient number, since it is larger than the sum of its proper divisors (5964963).

9941565 is a wasteful number, since it uses less digits than its factorization.

9941565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662779.

The product of its digits is 48600, while the sum is 39.

The square root of 9941565 is about 3153.0247382474. The cubic root of 9941565 is about 215.0230009645.

The spelling of 9941565 in words is "nine million, nine hundred forty-one thousand, five hundred sixty-five".