999348263 has 8 divisors (see below), whose sum is σ = 1074328320. Its totient is φ = 926606520.

The previous prime is 999348257. The next prime is 999348269. The reversal of 999348263 is 362843999.

999348263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (999348257) and next prime (999348269).

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 999348263 - 2¹⁶ = 999282727 is a prime.

It is a super-2 number, since 2×999348263² = 1997393901522234338, 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 (999348269) 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, 558653 + ... + 560438.

It is an arithmetic number, because the mean of its divisors is an integer number (134291040).

Almost surely, 2^999348263 is an apocalyptic number.

999348263 is a deficient number, since it is larger than the sum of its proper divisors (74980057).

999348263 is a wasteful number, since it uses less digits than its factorization.

999348263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119157.

The product of its digits is 2519424, while the sum is 53.

The square root of 999348263 is about 31612.4700553437. The cubic root of 999348263 is about 999.7827071206.

The spelling of 999348263 in words is "nine hundred ninety-nine million, three hundred forty-eight thousand, two hundred sixty-three".