999054 has 40 divisors (see below), whose sum is σ = 2561328. Its totient is φ = 285120.

The previous prime is 999049. The next prime is 999067. The reversal of 999054 is 450999.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999054.

It is an unprimeable number.

999054 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 694 + ... + 1574.

2⁹⁹⁹⁰⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280664).

999054 is an abundant number, since it is smaller than the sum of its proper divisors (1562274).

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

999054 is a wasteful number, since it uses less digits than its factorization.

999054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902 (or 893 counting only the distinct ones).

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

The square root of 999054 is about 999.5268880826. The cubic root of 999054 is about 99.9684567179.

The spelling of 999054 in words is "nine hundred ninety-nine thousand, fifty-four".