990048 has 24 divisors (see below), whose sum is σ = 2599128. Its totient is φ = 329984.

The previous prime is 990043. The next prime is 990053. The reversal of 990048 is 840099.

990048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (990043) and next prime (990053).

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 989997 and 990024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (108297).

2⁹⁹⁰⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

990048 is an abundant number, since it is smaller than the sum of its proper divisors (1609080).

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

990048 is a wasteful number, since it uses less digits than its factorization.

990048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326 (or 10318 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 990048 is about 995.0115577218. The cubic root of 990048 is about 99.6671600716.

The spelling of 990048 in words is "nine hundred ninety thousand, forty-eight".