990338 has 8 divisors (see below), whose sum is σ = 1490832. Its totient is φ = 493396.

The previous prime is 990331. The next prime is 990349. The reversal of 990338 is 833099.

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

It is not an unprimeable number, because it can be changed into a prime (990331) 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, 20 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (186354).

2⁹⁹⁰³³⁸ is an apocalyptic number.

990338 is a deficient number, since it is larger than the sum of its proper divisors (500494).

990338 is a wasteful number, since it uses less digits than its factorization.

990338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 990338 is about 995.1572740025. The cubic root of 990338 is about 99.6768904600.

The spelling of 990338 in words is "nine hundred ninety thousand, three hundred thirty-eight".