9790428 has 12 divisors (see below), whose sum is σ = 22844360. Its totient is φ = 3263472.

The previous prime is 9790423. The next prime is 9790441. The reversal of 9790428 is 8240979.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9790421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407923 + ... + 407946.

Almost surely, 2^9790428 is an apocalyptic number.

It is an amenable number.

9790428 is an abundant number, since it is smaller than the sum of its proper divisors (13053932).

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

9790428 is a wasteful number, since it uses less digits than its factorization.

9790428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815876 (or 815874 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9790428 is about 3128.9659633815. The cubic root of 9790428 is about 213.9278004904.

It can be divided in two parts, 97 and 90428, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 9790428 in words is "nine million, seven hundred ninety thousand, four hundred twenty-eight".