9328428 has 18 divisors (see below), whose sum is σ = 23580284. Its totient is φ = 3109464.

The previous prime is 9328391. The next prime is 9328433. The reversal of 9328428 is 8248239.

9328428 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 259123 = 9328428 / (9 + 3 + 2 + 8 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 9328392 and 9328401.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129526 + ... + 129597.

Almost surely, 2^9328428 is an apocalyptic number.

It is an amenable number.

9328428 is an abundant number, since it is smaller than the sum of its proper divisors (14251856).

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

9328428 is a wasteful number, since it uses less digits than its factorization.

9328428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259133 (or 259128 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 9328428 is about 3054.2475341727. The cubic root of 9328428 is about 210.5084279231.

The spelling of 9328428 in words is "nine million, three hundred twenty-eight thousand, four hundred twenty-eight".