990248 has 16 divisors (see below), whose sum is σ = 2122080. Its totient is φ = 424368.

The previous prime is 990239. The next prime is 990259. The reversal of 990248 is 842099.

It is a super-2 number, since 2×990248² = 1961182203008, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 990248.

It is an unprimeable number.

990248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786 + ... + 8897.

It is an arithmetic number, because the mean of its divisors is an integer number (132630).

2⁹⁹⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

990248 is an abundant number, since it is smaller than the sum of its proper divisors (1131832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990248 is a wasteful number, since it uses less digits than its factorization.

990248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17696 (or 17692 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 990248 is about 995.1120539919. The cubic root of 990248 is about 99.6738708876.

The spelling of 990248 in words is "nine hundred ninety thousand, two hundred forty-eight".