99469 has 2 divisors, whose sum is σ = 99470. Its totient is φ = 99468.

The previous prime is 99439. The next prime is 99487. The reversal of 99469 is 96499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72900 + 26569 = 270^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 99469 - 2¹⁵ = 66701 is a prime.

It is a super-2 number, since 2×99469² = 19788163922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49734 + 49735.

It is an arithmetic number, because the mean of its divisors is an integer number (49735).

2⁹⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

99469 is a deficient number, since it is larger than the sum of its proper divisors (1).

99469 is an equidigital number, since it uses as much as digits as its factorization.

99469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 99469 is about 315.3870637804. The cubic root of 99469 is about 46.3335863669. Note that the first 3 decimals are identical.

It can be divided in two parts, 994 and 69, that multiplied together give a palindrome (68586).

The spelling of 99469 in words is "ninety-nine thousand, four hundred sixty-nine".