9900069 has 8 divisors (see below), whose sum is σ = 13976640. Its totient is φ = 6211776.

The previous prime is 9900047. The next prime is 9900091. The reversal of 9900069 is 9600099.

It is an interprime number because it is at equal distance from previous prime (9900047) and next prime (9900091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9900069 - 2¹³ = 9891877 is a prime.

It is a super-2 number, since 2×9900069² = 196022732409522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900469) 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, 97009 + ... + 97110.

It is an arithmetic number, because the mean of its divisors is an integer number (1747080).

Almost surely, 2^9900069 is an apocalyptic number.

It is an amenable number.

9900069 is a deficient number, since it is larger than the sum of its proper divisors (4076571).

9900069 is a wasteful number, since it uses less digits than its factorization.

9900069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194139.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9900069 is about 3146.4375093111. The cubic root of 9900069 is about 214.7234157520.

The spelling of 9900069 in words is "nine million, nine hundred thousand, sixty-nine".