99261269 has 8 divisors (see below), whose sum is σ = 102333240. Its totient is φ = 96209856.

The previous prime is 99261247. The next prime is 99261271. The reversal of 99261269 is 96216299.

It can be written as a sum of positive squares in 4 ways, for example, as 2002225 + 97259044 = 1415^2 + 9862^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99261269 - 2⁸ = 99261013 is a prime.

It is a super-2 number, since 2×99261269² = 19705599046980722, 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 (99261289) 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, 4967 + ... + 14939.

It is an arithmetic number, because the mean of its divisors is an integer number (12791655).

Almost surely, 2^99261269 is an apocalyptic number.

It is an amenable number.

99261269 is a deficient number, since it is larger than the sum of its proper divisors (3071971).

99261269 is a wasteful number, since it uses less digits than its factorization.

99261269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its digits is 104976, while the sum is 44.

The square root of 99261269 is about 9962.9949814300. The cubic root of 99261269 is about 463.0130954286.

The spelling of 99261269 in words is "ninety-nine million, two hundred sixty-one thousand, two hundred sixty-nine".