99954 has 20 divisors (see below), whose sum is σ = 224334. Its totient is φ = 33264.

The previous prime is 99929. The next prime is 99961. The reversal of 99954 is 45999.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 729 = 315^2 + 27^2 .

It is a Curzon number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 147 + ... + 470.

2⁹⁹⁹⁵⁴ is an apocalyptic number.

99954 is an abundant number, since it is smaller than the sum of its proper divisors (124380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99954 is a wasteful number, since it uses less digits than its factorization.

99954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 622 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 99954 is about 316.1550252645. The cubic root of 99954 is about 46.4087701417.

It can be divided in two parts, 9995 and 4, that added together give a palindrome (9999).

The spelling of 99954 in words is "ninety-nine thousand, nine hundred fifty-four".