99369 has 12 divisors (see below), whose sum is σ = 146692. Its totient is φ = 64800.

The previous prime is 99367. The next prime is 99371. The reversal of 99369 is 96399.

It is an interprime number because it is at equal distance from previous prime (99367) and next prime (99371).

It can be written as a sum of positive squares in 2 ways, for example, as 2025 + 97344 = 45^2 + 312^2 .

It is not a de Polignac number, because 99369 - 2¹ = 99367 is a prime.

It is a super-2 number, since 2×99369² = 19748396322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459 + ... + 639.

2⁹⁹³⁶⁹ is an apocalyptic number.

It is an amenable number.

99369 is a deficient number, since it is larger than the sum of its proper divisors (47323).

99369 is a wasteful number, since it uses less digits than its factorization.

99369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 245 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 99369 is about 315.2284885603. The cubic root of 99369 is about 46.3180541837.

The spelling of 99369 in words is "ninety-nine thousand, three hundred sixty-nine".