9700428 has 12 divisors (see below), whose sum is σ = 22634360. Its totient is φ = 3233472.

The previous prime is 9700417. The next prime is 9700429. The reversal of 9700428 is 8240079.

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 = 9700395 and 9700404.

It is not an unprimeable number, because it can be changed into a prime (9700429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404173 + ... + 404196.

Almost surely, 2^9700428 is an apocalyptic number.

It is an amenable number.

9700428 is an abundant number, since it is smaller than the sum of its proper divisors (12933932).

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

9700428 is a wasteful number, since it uses less digits than its factorization.

9700428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808376 (or 808374 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 9700428 is about 3114.5510109806. The cubic root of 9700428 is about 213.2702602168.

The spelling of 9700428 in words is "nine million, seven hundred thousand, four hundred twenty-eight".