9699965 has 12 divisors (see below), whose sum is σ = 12795132. Its totient is φ = 7054080.

The previous prime is 9699959. The next prime is 9699973. The reversal of 9699965 is 5699969.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 8561476 = 1067^2 + 2926^2 .

It is not a de Polignac number, because 9699965 - 2²⁰ = 8651389 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 11 ways as a sum of consecutive naturals, for example, 7412 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1066261).

Almost surely, 2^9699965 is an apocalyptic number.

It is an amenable number.

9699965 is a deficient number, since it is larger than the sum of its proper divisors (3095167).

9699965 is a wasteful number, since it uses less digits than its factorization.

9699965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060 (or 16049 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 53.

The square root of 9699965 is about 3114.4766815631. The cubic root of 9699965 is about 213.2668670434.

Multiplying 9699965 by its sum of digits (53), we get a triangular number (514098145 = T₃₂₀₆₅).

The spelling of 9699965 in words is "nine million, six hundred ninety-nine thousand, nine hundred sixty-five".