990058 has 8 divisors (see below), whose sum is σ = 1549728. Its totient is φ = 473484.

The previous prime is 990053. The next prime is 990137. The reversal of 990058 is 850099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×990058⁴ (a number of 25 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (990053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10716 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (193716).

2⁹⁹⁰⁰⁵⁸ is an apocalyptic number.

990058 is a deficient number, since it is larger than the sum of its proper divisors (559670).

990058 is a wasteful number, since it uses less digits than its factorization.

990058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 990058 is about 995.0165827764. The cubic root of 990058 is about 99.6674956338.

The spelling of 990058 in words is "nine hundred ninety thousand, fifty-eight".