9043428 has 12 divisors (see below), whose sum is σ = 21101360. Its totient is φ = 3014472.

The previous prime is 9043427. The next prime is 9043451. The reversal of 9043428 is 8243409.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 9043395 and 9043404.

It is not an unprimeable number, because it can be changed into a prime (9043421) 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, 376798 + ... + 376821.

Almost surely, 2^9043428 is an apocalyptic number.

It is an amenable number.

9043428 is an abundant number, since it is smaller than the sum of its proper divisors (12057932).

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

9043428 is a wasteful number, since it uses less digits than its factorization.

9043428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753626 (or 753624 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 9043428 is about 3007.2292895621. The cubic root of 9043428 is about 208.3424155329.

The spelling of 9043428 in words is "nine million, forty-three thousand, four hundred twenty-eight".