9660215 has 8 divisors (see below), whose sum is σ = 11875248. Its totient is φ = 7539520.

The previous prime is 9660197. The next prime is 9660221. The reversal of 9660215 is 5120669.

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

It is not a de Polignac number, because 9660215 - 2⁸ = 9659959 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, 23357 + ... + 23766.

It is an arithmetic number, because the mean of its divisors is an integer number (1484406).

Almost surely, 2^9660215 is an apocalyptic number.

9660215 is a deficient number, since it is larger than the sum of its proper divisors (2215033).

9660215 is a wasteful number, since it uses less digits than its factorization.

9660215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47169.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9660215 is about 3108.0886409496. The cubic root of 9660215 is about 212.9751490033.

The spelling of 9660215 in words is "nine million, six hundred sixty thousand, two hundred fifteen".