9215665 has 8 divisors (see below), whose sum is σ = 11640960. Its totient is φ = 6984432.

The previous prime is 9215653. The next prime is 9215669. The reversal of 9215665 is 5665129.

It is a happy number.

9215665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9215665 - 2²¹ = 7118513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9215665.

It is not an unprimeable number, because it can be changed into a prime (9215669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48409 + ... + 48598.

It is an arithmetic number, because the mean of its divisors is an integer number (1455120).

Almost surely, 2^9215665 is an apocalyptic number.

9215665 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9215665 is a deficient number, since it is larger than the sum of its proper divisors (2425295).

9215665 is a wasteful number, since it uses less digits than its factorization.

9215665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97031.

The product of its digits is 16200, while the sum is 34.

The square root of 9215665 is about 3035.7313781031. The cubic root of 9215665 is about 209.6567711461.

The spelling of 9215665 in words is "nine million, two hundred fifteen thousand, six hundred sixty-five".