990170082 has 112 divisors (see below), whose sum is σ = 2456259552. Its totient is φ = 296732160.

The previous prime is 990170053. The next prime is 990170089. The reversal of 990170082 is 280071099.

It is a happy number.

990170082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (990170089) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1715778 + ... + 1716354.

Almost surely, 2^990170082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990170082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228129776).

990170082 is an abundant number, since it is smaller than the sum of its proper divisors (1466089470).

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

990170082 is a wasteful number, since it uses less digits than its factorization.

990170082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 990170082 is about 31466.9681094318. The cubic root of 990170082 is about 996.7125652823.

The spelling of 990170082 in words is "nine hundred ninety million, one hundred seventy thousand, eighty-two".