9971486 has 16 divisors (see below), whose sum is σ = 18099936. Its totient is φ = 4022016.

The previous prime is 9971483. The next prime is 9971497. The reversal of 9971486 is 6841799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971483) by changing a digit.

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, 20711 + ... + 21186.

It is an arithmetic number, because the mean of its divisors is an integer number (1131246).

Almost surely, 2^9971486 is an apocalyptic number.

9971486 is a deficient number, since it is larger than the sum of its proper divisors (8128450).

9971486 is a wasteful number, since it uses less digits than its factorization.

9971486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41923.

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

The square root of 9971486 is about 3157.7659824629. The cubic root of 9971486 is about 215.2385022296.

The spelling of 9971486 in words is "nine million, nine hundred seventy-one thousand, four hundred eighty-six".