9986973 has 12 divisors (see below), whose sum is σ = 14146560. Its totient is φ = 6265792.

The previous prime is 9986941. The next prime is 9986987. The reversal of 9986973 is 3796899.

9986973 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9986973 - 2⁵ = 9986941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4893 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (1178880).

Almost surely, 2^9986973 is an apocalyptic number.

It is an amenable number.

9986973 is a deficient number, since it is larger than the sum of its proper divisors (4159587).

9986973 is a wasteful number, since it uses less digits than its factorization.

9986973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556 (or 11539 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 9986973 is about 3160.2172393682. The cubic root of 9986973 is about 215.3498756144.

The spelling of 9986973 in words is "nine million, nine hundred eighty-six thousand, nine hundred seventy-three".