9889470 has 24 divisors (see below), whose sum is σ = 25712856. Its totient is φ = 2637168.

The previous prime is 9889469. The next prime is 9889501. The reversal of 9889470 is 749889.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54852 + ... + 55031.

It is an arithmetic number, because the mean of its divisors is an integer number (1071369).

Almost surely, 2^9889470 is an apocalyptic number.

9889470 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9889470 is an abundant number, since it is smaller than the sum of its proper divisors (15823386).

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

9889470 is a wasteful number, since it uses less digits than its factorization.

9889470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109896 (or 109893 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9889470 is about 3144.7527724767. The cubic root of 9889470 is about 214.6467608606.

The spelling of 9889470 in words is "nine million, eight hundred eighty-nine thousand, four hundred seventy".