9996511 has 8 divisors (see below), whose sum is σ = 11690624. Its totient is φ = 8368920.

The previous prime is 9996509. The next prime is 9996517. The reversal of 9996511 is 1156999.

9996511 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 not a de Polignac number, because 9996511 - 2¹ = 9996509 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996517) 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, 16305 + ... + 16906.

It is an arithmetic number, because the mean of its divisors is an integer number (1461328).

Almost surely, 2^9996511 is an apocalyptic number.

9996511 is a deficient number, since it is larger than the sum of its proper divisors (1694113).

9996511 is a wasteful number, since it uses less digits than its factorization.

9996511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33261.

The product of its digits is 21870, while the sum is 40.

The square root of 9996511 is about 3161.7259527037. The cubic root of 9996511 is about 215.4184100132.

The spelling of 9996511 in words is "nine million, nine hundred ninety-six thousand, five hundred eleven".