99403263 has 12 divisors (see below), whose sum is σ = 149825520. Its totient is φ = 63387456.

The previous prime is 99403219. The next prime is 99403273. The reversal of 99403263 is 36230499.

It is a happy number.

It is not a de Polignac number, because 99403263 - 2²⁰ = 98354687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99403273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239898 + ... + 240311.

It is an arithmetic number, because the mean of its divisors is an integer number (12485460).

Almost surely, 2^99403263 is an apocalyptic number.

99403263 is a deficient number, since it is larger than the sum of its proper divisors (50422257).

99403263 is a wasteful number, since it uses less digits than its factorization.

99403263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480238 (or 480235 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 99403263 is about 9970.1185048123. The cubic root of 99403263 is about 463.2337714869.

It can be divided in two parts, 9940 and 3263, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 99403263 in words is "ninety-nine million, four hundred three thousand, two hundred sixty-three".