9906465 has 32 divisors (see below), whose sum is σ = 16410240. Its totient is φ = 5101056.

The previous prime is 9906443. The next prime is 9906473. The reversal of 9906465 is 5646099.

It is not a de Polignac number, because 9906465 - 2⁶ = 9906401 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90831 + ... + 90939.

It is an arithmetic number, because the mean of its divisors is an integer number (512820).

Almost surely, 2^9906465 is an apocalyptic number.

It is an amenable number.

9906465 is a deficient number, since it is larger than the sum of its proper divisors (6503775).

9906465 is a wasteful number, since it uses less digits than its factorization.

9906465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 9906465 is about 3147.4537327815. The cubic root of 9906465 is about 214.7696469218.

The spelling of 9906465 in words is "nine million, nine hundred six thousand, four hundred sixty-five".