9905069 has 4 divisors (see below), whose sum is σ = 9957120. Its totient is φ = 9853020.

The previous prime is 9905059. The next prime is 9905087. The reversal of 9905069 is 9605099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9905069 - 2⁴ = 9905053 is a prime.

It is a super-2 number, since 2×9905069² = 196220783789522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9905059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25739 + ... + 26120.

It is an arithmetic number, because the mean of its divisors is an integer number (2489280).

Almost surely, 2^9905069 is an apocalyptic number.

It is an amenable number.

9905069 is a deficient number, since it is larger than the sum of its proper divisors (52051).

9905069 is a wasteful number, since it uses less digits than its factorization.

9905069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52050.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 9905069 is about 3147.2319584041. The cubic root of 9905069 is about 214.7595581394.

The spelling of 9905069 in words is "nine million, nine hundred five thousand, sixty-nine".