9980738 has 8 divisors (see below), whose sum is σ = 15759120. Its totient is φ = 4727700.

The previous prime is 9980731. The next prime is 9980741. The reversal of 9980738 is 8370899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9980731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131288 + ... + 131363.

It is an arithmetic number, because the mean of its divisors is an integer number (1969890).

Almost surely, 2^9980738 is an apocalyptic number.

9980738 is a deficient number, since it is larger than the sum of its proper divisors (5778382).

9980738 is a wasteful number, since it uses less digits than its factorization.

9980738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262672.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9980738 is about 3159.2306025360. The cubic root of 9980738 is about 215.3050510215.

The spelling of 9980738 in words is "nine million, nine hundred eighty thousand, seven hundred thirty-eight".