9880890 has 32 divisors (see below), whose sum is σ = 23811840. Its totient is φ = 2624064.

The previous prime is 9880873. The next prime is 9880891. The reversal of 9880890 is 980889.

9880890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9880891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8991 + ... + 10029.

It is an arithmetic number, because the mean of its divisors is an integer number (744120).

Almost surely, 2^9880890 is an apocalyptic number.

9880890 is an abundant number, since it is smaller than the sum of its proper divisors (13930950).

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

9880890 is a wasteful number, since it uses less digits than its factorization.

9880890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 9880890 is about 3143.3882992720. The cubic root of 9880890 is about 214.5846678104.

The spelling of 9880890 in words is "nine million, eight hundred eighty thousand, eight hundred ninety".