990267 has 8 divisors (see below), whose sum is σ = 1398096. Its totient is φ = 621312.

The previous prime is 990259. The next prime is 990277. The reversal of 990267 is 762099.

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

It is not a de Polignac number, because 990267 - 2³ = 990259 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (990277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9658 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (174762).

2⁹⁹⁰²⁶⁷ is an apocalyptic number.

990267 is a deficient number, since it is larger than the sum of its proper divisors (407829).

990267 is a wasteful number, since it uses less digits than its factorization.

990267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19437.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 990267 is about 995.1216006097. The cubic root of 990267 is about 99.6745083681.

The spelling of 990267 in words is "nine hundred ninety thousand, two hundred sixty-seven".