990334 has 8 divisors (see below), whose sum is σ = 1550160. Its totient is φ = 473616.

The previous prime is 990331. The next prime is 990349. The reversal of 990334 is 433099.

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

It is a super-2 number, since 2×990334² = 1961522863112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990331) 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, 10719 + ... + 10810.

It is an arithmetic number, because the mean of its divisors is an integer number (193770).

2⁹⁹⁰³³⁴ is an apocalyptic number.

990334 is a deficient number, since it is larger than the sum of its proper divisors (559826).

990334 is a wasteful number, since it uses less digits than its factorization.

990334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21554.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 990334 is about 995.1552642678. The cubic root of 990334 is about 99.6767562607.

The spelling of 990334 in words is "nine hundred ninety thousand, three hundred thirty-four".