9880428 has 24 divisors (see below), whose sum is σ = 23186800. Its totient is φ = 3274560.

The previous prime is 9880427. The next prime is 9880433. The reversal of 9880428 is 8240889.

It is a happy number.

9880428 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9880421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 4446.

Almost surely, 2^9880428 is an apocalyptic number.

It is an amenable number.

9880428 is an abundant number, since it is smaller than the sum of its proper divisors (13306372).

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

9880428 is a wasteful number, since it uses less digits than its factorization.

9880428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 9880428 is about 3143.3148108327. The cubic root of 9880428 is about 214.5813233188.

The spelling of 9880428 in words is "nine million, eight hundred eighty thousand, four hundred twenty-eight".