9890528 has 12 divisors (see below), whose sum is σ = 19472040. Its totient is φ = 4945248.

The previous prime is 9890527. The next prime is 9890579. The reversal of 9890528 is 8250989.

It is a happy number.

9890528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154508 + ... + 154571.

It is an arithmetic number, because the mean of its divisors is an integer number (1622670).

Almost surely, 2^9890528 is an apocalyptic number.

It is an amenable number.

9890528 is a deficient number, since it is larger than the sum of its proper divisors (9581512).

9890528 is a wasteful number, since it uses less digits than its factorization.

9890528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309089 (or 309081 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 9890528 is about 3144.9209846990. The cubic root of 9890528 is about 214.6544150683.

The spelling of 9890528 in words is "nine million, eight hundred ninety thousand, five hundred twenty-eight".