9099428 has 12 divisors (see below), whose sum is σ = 17149020. Its totient is φ = 4199712.

The previous prime is 9099427. The next prime is 9099439. The reversal of 9099428 is 8249909.

9099428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 4571044 = 2128^2 + 2138^2 .

It is not an unprimeable number, because it can be changed into a prime (9099427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87443 + ... + 87546.

It is an arithmetic number, because the mean of its divisors is an integer number (1429085).

Almost surely, 2^9099428 is an apocalyptic number.

It is an amenable number.

9099428 is a deficient number, since it is larger than the sum of its proper divisors (8049592).

9099428 is a wasteful number, since it uses less digits than its factorization.

9099428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175006 (or 175004 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 9099428 is about 3016.5258162330. The cubic root of 9099428 is about 208.7715734215.

The spelling of 9099428 in words is "nine million, ninety-nine thousand, four hundred twenty-eight".