999059 has 4 divisors (see below), whose sum is σ = 1008504. Its totient is φ = 989616.

The previous prime is 999049. The next prime is 999067. The reversal of 999059 is 950999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 999059 - 2⁴ = 999043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4562 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (252126).

2⁹⁹⁹⁰⁵⁹ is an apocalyptic number.

999059 is a deficient number, since it is larger than the sum of its proper divisors (9445).

999059 is a wasteful number, since it uses less digits than its factorization.

999059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444.

The product of its (nonzero) digits is 32805, while the sum is 41.

The square root of 999059 is about 999.5293892628. The cubic root of 999059 is about 99.9686234895.

The spelling of 999059 in words is "nine hundred ninety-nine thousand, fifty-nine".