9980870 has 16 divisors (see below), whose sum is σ = 19022688. Its totient is φ = 3757440.

The previous prime is 9980869. The next prime is 9980899. The reversal of 9980870 is 780899.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29186 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (1188918).

Almost surely, 2^9980870 is an apocalyptic number.

9980870 is a deficient number, since it is larger than the sum of its proper divisors (9041818).

9980870 is a wasteful number, since it uses less digits than its factorization.

9980870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58735.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 9980870 is about 3159.2514936295. The cubic root of 9980870 is about 215.3060001879.

The spelling of 9980870 in words is "nine million, nine hundred eighty thousand, eight hundred seventy".