99902 has 16 divisors (see below), whose sum is σ = 172800. Its totient is φ = 42840.

The previous prime is 99901. The next prime is 99907. The reversal of 99902 is 20999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99901) 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, 299 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2⁹⁹⁹⁰² is an apocalyptic number.

99902 is a deficient number, since it is larger than the sum of its proper divisors (72898).

99902 is a wasteful number, since it uses less digits than its factorization.

99902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 99902 is about 316.0727764297. The cubic root of 99902 is about 46.4007208568.

It can be divided in two parts, 99 and 902, that multiplied together give a palindrome (89298).

The spelling of 99902 in words is "ninety-nine thousand, nine hundred two".