990088 has 16 divisors (see below), whose sum is σ = 2025360. Its totient is φ = 450000.

The previous prime is 990053. The next prime is 990137. The reversal of 990088 is 880099.

990088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5538 + ... + 5713.

It is an arithmetic number, because the mean of its divisors is an integer number (126585).

2⁹⁹⁰⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

990088 is an abundant number, since it is smaller than the sum of its proper divisors (1035272).

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

990088 is a wasteful number, since it uses less digits than its factorization.

990088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 990088 is about 995.0316577878. The cubic root of 990088 is about 99.6685023071.

The spelling of 990088 in words is "nine hundred ninety thousand, eighty-eight".