990268 has 12 divisors (see below), whose sum is σ = 1780072. Its totient is φ = 481680.

The previous prime is 990259. The next prime is 990277. The reversal of 990268 is 862099.

It is an interprime number because it is at equal distance from previous prime (990259) and next prime (990277).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

990268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198 + ... + 3493.

2⁹⁹⁰²⁶⁸ is an apocalyptic number.

It is an amenable number.

990268 is a deficient number, since it is larger than the sum of its proper divisors (789804).

990268 is a wasteful number, since it uses less digits than its factorization.

990268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 6730 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 990268 is about 995.1221030607. The cubic root of 990268 is about 99.6745419195.

The spelling of 990268 in words is "nine hundred ninety thousand, two hundred sixty-eight".