99264439 has 4 divisors (see below), whose sum is σ = 99354424. Its totient is φ = 99174456.

The previous prime is 99264437. The next prime is 99264443. The reversal of 99264439 is 93446299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99264439 - 2¹ = 99264437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99264437) 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, 43317 + ... + 45550.

It is an arithmetic number, because the mean of its divisors is an integer number (24838606).

Almost surely, 2^99264439 is an apocalyptic number.

99264439 is a deficient number, since it is larger than the sum of its proper divisors (89985).

99264439 is a wasteful number, since it uses less digits than its factorization.

99264439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89984.

The product of its digits is 419904, while the sum is 46.

The square root of 99264439 is about 9963.1540688680. The cubic root of 99264439 is about 463.0180242926.

It can be divided in two parts, 9926 and 4439, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 99264439 in words is "ninety-nine million, two hundred sixty-four thousand, four hundred thirty-nine".