990176 has 48 divisors (see below), whose sum is σ = 2222640. Its totient is φ = 430080.

The previous prime is 990169. The next prime is 990179. The reversal of 990176 is 671099.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990179) by changing a digit.

990176 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160 + ... + 10256.

It is an arithmetic number, because the mean of its divisors is an integer number (46305).

2⁹⁹⁰¹⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111320).

990176 is an abundant number, since it is smaller than the sum of its proper divisors (1232464).

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

990176 is a wasteful number, since it uses less digits than its factorization.

990176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 990176 is about 995.0758765039. The cubic root of 990176 is about 99.6714550979.

The spelling of 990176 in words is "nine hundred ninety thousand, one hundred seventy-six".