9999054 has 72 divisors (see below), whose sum is σ = 24836760. Its totient is φ = 2897856.

The previous prime is 9999053. The next prime is 9999071. The reversal of 9999054 is 4509999.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57712 + ... + 57884.

It is an arithmetic number, because the mean of its divisors is an integer number (344955).

Almost surely, 2^9999054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9999054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12418380).

9999054 is an abundant number, since it is smaller than the sum of its proper divisors (14837706).

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

9999054 is a wasteful number, since it uses less digits than its factorization.

9999054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 9999054 is about 3162.1280808974. The cubic root of 9999054 is about 215.4366751382.

The spelling of 9999054 in words is "nine million, nine hundred ninety-nine thousand, fifty-four".