9240428 has 6 divisors (see below), whose sum is σ = 16170756. Its totient is φ = 4620212.

The previous prime is 9240421. The next prime is 9240431. The reversal of 9240428 is 8240429.

It is a self number, because there is not a number n which added to its sum of digits gives 9240428.

It is not an unprimeable number, because it can be changed into a prime (9240421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155050 + ... + 1155057.

It is an arithmetic number, because the mean of its divisors is an integer number (2695126).

Almost surely, 2^9240428 is an apocalyptic number.

It is an amenable number.

9240428 is a deficient number, since it is larger than the sum of its proper divisors (6930328).

9240428 is a wasteful number, since it uses less digits than its factorization.

9240428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310111 (or 2310109 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 9240428 is about 3039.8072307303. The cubic root of 9240428 is about 209.8443896340.

Subtracting from 9240428 its reverse (8240429), we obtain a palindrome (999999).

The spelling of 9240428 in words is "nine million, two hundred forty thousand, four hundred twenty-eight".