9090328 has 16 divisors (see below), whose sum is σ = 18355680. Its totient is φ = 4195488.

The previous prime is 9090259. The next prime is 9090331. The reversal of 9090328 is 8230909.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9090328.

It is a congruent number.

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, 43600 + ... + 43807.

It is an arithmetic number, because the mean of its divisors is an integer number (1147230).

Almost surely, 2^9090328 is an apocalyptic number.

It is an amenable number.

9090328 is an abundant number, since it is smaller than the sum of its proper divisors (9265352).

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

9090328 is a wasteful number, since it uses less digits than its factorization.

9090328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87426 (or 87422 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9090328 is about 3015.0170812120. The cubic root of 9090328 is about 208.7019553098.

The spelling of 9090328 in words is "nine million, ninety thousand, three hundred twenty-eight".