99641269 has 16 divisors (see below), whose sum is σ = 125250048. Its totient is φ = 77156352.

The previous prime is 99641257. The next prime is 99641291. The reversal of 99641269 is 96214699.

It is not a de Polignac number, because 99641269 - 2¹³ = 99633077 is a prime.

It is a super-2 number, since 2×99641269² = 19856764975860722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99641669) 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, 7372 + ... + 15925.

It is an arithmetic number, because the mean of its divisors is an integer number (7828128).

Almost surely, 2^99641269 is an apocalyptic number.

It is an amenable number.

99641269 is a deficient number, since it is larger than the sum of its proper divisors (25608779).

99641269 is a wasteful number, since it uses less digits than its factorization.

99641269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23364.

The product of its digits is 209952, while the sum is 46.

The square root of 99641269 is about 9982.0473350911. The cubic root of 99641269 is about 463.6031910825.

The spelling of 99641269 in words is "ninety-nine million, six hundred forty-one thousand, two hundred sixty-nine".