999058 has 16 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 464400.

The previous prime is 999049. The next prime is 999067. The reversal of 999058 is 850999.

It is an interprime number because it is at equal distance from previous prime (999049) and next prime (999067).

It is a self number, because there is not a number n which added to its sum of digits gives 999058.

It is an unprimeable number.

999058 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2⁹⁹⁹⁰⁵⁸ is an apocalyptic number.

999058 is a deficient number, since it is larger than the sum of its proper divisors (607982).

999058 is a wasteful number, since it uses less digits than its factorization.

999058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 999058 is about 999.5288890272. The cubic root of 999058 is about 99.9685901352.

The spelling of 999058 in words is "nine hundred ninety-nine thousand, fifty-eight".