99814 has 16 divisors (see below), whose sum is σ = 176400. Its totient is φ = 41760.

The previous prime is 99809. The next prime is 99817. The reversal of 99814 is 41899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99817) 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, 112 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (11025).

2⁹⁹⁸¹⁴ is an apocalyptic number.

99814 is a deficient number, since it is larger than the sum of its proper divisors (76586).

99814 is a wasteful number, since it uses less digits than its factorization.

99814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its digits is 2592, while the sum is 31.

The square root of 99814 is about 315.9335373144. The cubic root of 99814 is about 46.3870926246.

The spelling of 99814 in words is "ninety-nine thousand, eight hundred fourteen".