9085428 has 36 divisors (see below), whose sum is σ = 25054848. Its totient is φ = 2753040.

The previous prime is 9085423. The next prime is 9085471. The reversal of 9085428 is 8245809.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9085392 and 9085401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9085423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11076 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (695968).

Almost surely, 2^9085428 is an apocalyptic number.

It is an amenable number.

9085428 is an abundant number, since it is smaller than the sum of its proper divisors (15969420).

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

9085428 is a wasteful number, since it uses less digits than its factorization.

9085428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22964 (or 22959 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 9085428 is about 3014.2043726330. The cubic root of 9085428 is about 208.6644493884.

It can be divided in two parts, 908 and 5428, that added together give a palindrome (6336).

The spelling of 9085428 in words is "nine million, eighty-five thousand, four hundred twenty-eight".