9965515 has 8 divisors (see below), whose sum is σ = 13667040. Its totient is φ = 6833472.

The previous prime is 9965507. The next prime is 9965533. The reversal of 9965515 is 5155699.

9965515 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 9965515 - 2³ = 9965507 is a prime.

It is a super-2 number, since 2×9965515² = 198622978430450, which contains 22 as substring.

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, 142330 + ... + 142399.

It is an arithmetic number, because the mean of its divisors is an integer number (1708380).

Almost surely, 2^9965515 is an apocalyptic number.

9965515 is a deficient number, since it is larger than the sum of its proper divisors (3701525).

9965515 is a wasteful number, since it uses less digits than its factorization.

9965515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284741.

The product of its digits is 60750, while the sum is 40.

The square root of 9965515 is about 3156.8203940041. The cubic root of 9965515 is about 215.1955315126.

The spelling of 9965515 in words is "nine million, nine hundred sixty-five thousand, five hundred fifteen".