9128490 has 64 divisors (see below), whose sum is σ = 26521344. Its totient is φ = 1963008.

The previous prime is 9128461. The next prime is 9128501. The reversal of 9128490 is 948219.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292 + ... + 4848.

It is an arithmetic number, because the mean of its divisors is an integer number (414396).

Almost surely, 2^9128490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9128490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13260672).

9128490 is an abundant number, since it is smaller than the sum of its proper divisors (17392854).

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

9128490 is a wasteful number, since it uses less digits than its factorization.

9128490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9128490 is about 3021.3391070848. The cubic root of 9128490 is about 208.9935973253.

The spelling of 9128490 in words is "nine million, one hundred twenty-eight thousand, four hundred ninety".