9969895 has 16 divisors (see below), whose sum is σ = 12976992. Its totient is φ = 7309440.

The previous prime is 9969893. The next prime is 9969899. The reversal of 9969895 is 5989699.

It is not a de Polignac number, because 9969895 - 2¹ = 9969893 is a prime.

It is a super-2 number, since 2×9969895² = 198797612622050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10125 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (811062).

Almost surely, 2^9969895 is an apocalyptic number.

9969895 is a deficient number, since it is larger than the sum of its proper divisors (3007097).

9969895 is a wasteful number, since it uses less digits than its factorization.

9969895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its digits is 1574640, while the sum is 55.

The square root of 9969895 is about 3157.5140538088. The cubic root of 9969895 is about 215.2270541642.

The spelling of 9969895 in words is "nine million, nine hundred sixty-nine thousand, eight hundred ninety-five".