990496 has 24 divisors (see below), whose sum is σ = 2100924. Its totient is φ = 456960.

The previous prime is 990487. The next prime is 990497. The reversal of 990496 is 694099.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 291600 = 836^2 + 540^2 .

It is not an unprimeable number, because it can be changed into a prime (990497) by changing a digit.

990496 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, 775 + ... + 1606.

2⁹⁹⁰⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

990496 is an abundant number, since it is smaller than the sum of its proper divisors (1110428).

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

990496 is a wasteful number, since it uses less digits than its factorization.

990496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 990496 is about 995.2366552735. The cubic root of 990496 is about 99.6821910447.

It can be divided in two parts, 9904 and 96, that added together give a 4-th power (10000 = 10⁴).

The spelling of 990496 in words is "nine hundred ninety thousand, four hundred ninety-six".