9999954 has 24 divisors (see below), whose sum is σ = 22414860.
Its totient is φ = 3218208.
The previous prime is 9999943. The next prime is 9999971. The reversal of 9999954 is 4599999.
It can be divided in two parts, 999995 and 4, that added together give a palindrome (999999).
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 9162729 + 837225 = 3027^2 + 915^2
It is a Curzon number.
It is a nialpdrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 9999954.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9057 + ... + 10100.
Almost surely, 29999954 is an apocalyptic number.
9999954 is an abundant number, since it is smaller than the sum of its proper divisors (12414906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9999954 is a wasteful number, since it uses less digits than its factorization.
9999954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19194 (or 19191 counting only the distinct ones).
The product of its digits is 1180980, while the sum is 54.
The square root of 9999954 is about 3162.2703869214.
The cubic root of 9999954 is about 215.4431386560.
The spelling of 9999954 in words is "nine million, nine hundred ninety-nine thousand, nine hundred fifty-four".