99069 has 4 divisors (see below), whose sum is σ = 132096. Its totient is φ = 66044.

The previous prime is 99053. The next prime is 99079. The reversal of 99069 is 96099.

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 99069 - 2⁴ = 99053 is a prime.

It is a super-2 number, since 2×99069² = 19629333522, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

99069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16509 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (33024).

2⁹⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

99069 is a deficient number, since it is larger than the sum of its proper divisors (33027).

99069 is a wasteful number, since it uses less digits than its factorization.

99069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026.

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

The square root of 99069 is about 314.7522835501. The cubic root of 99069 is about 46.2713950197.

The spelling of 99069 in words is "ninety-nine thousand, sixty-nine".