99803 has 8 divisors (see below), whose sum is σ = 111936. Its totient is φ = 88200.

The previous prime is 99793. The next prime is 99809. The reversal of 99803 is 30899.

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 99803 - 2⁴ = 99787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99809) 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, 368 + ... + 578.

It is an arithmetic number, because the mean of its divisors is an integer number (13992).

2⁹⁹⁸⁰³ is an apocalyptic number.

99803 is a deficient number, since it is larger than the sum of its proper divisors (12133).

99803 is a wasteful number, since it uses less digits than its factorization.

99803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 99803 is about 315.9161281100. The cubic root of 99803 is about 46.3853885325.

It can be divided in two parts, 99 and 803, that multiplied together give a palindrome (79497).

The spelling of 99803 in words is "ninety-nine thousand, eight hundred three".