8490330 has 48 divisors (see below), whose sum is σ = 22843080. Its totient is φ = 2185344.

The previous prime is 8490323. The next prime is 8490341. The reversal of 8490330 is 330948.

It can be written as a sum of positive squares in 4 ways, for example, as 8415801 + 74529 = 2901^2 + 273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8490294 and 8490303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 984 + ... + 4236.

Almost surely, 2^8490330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8490330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11421540).

8490330 is an abundant number, since it is smaller than the sum of its proper divisors (14352750).

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

8490330 is a wasteful number, since it uses less digits than its factorization.

8490330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 8490330 is about 2913.8170841698. The cubic root of 8490330 is about 204.0053343472.

The spelling of 8490330 in words is "eight million, four hundred ninety thousand, three hundred thirty".