986986973 has 8 divisors (see below), whose sum is σ = 1155497280. Its totient is φ = 825354720.

The previous prime is 986986963. The next prime is 986986991. The reversal of 986986973 is 379689689.

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

It is a cyclic number.

It is not a de Polignac number, because 986986973 - 2²² = 982792669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986986963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719203 + ... + 1719776.

It is an arithmetic number, because the mean of its divisors is an integer number (144437160).

Almost surely, 2^986986973 is an apocalyptic number.

It is an amenable number.

986986973 is a deficient number, since it is larger than the sum of its proper divisors (168510307).

986986973 is a wasteful number, since it uses less digits than its factorization.

986986973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439027.

The product of its digits is 35271936, while the sum is 65.

The square root of 986986973 is about 31416.3488171366. The cubic root of 986986973 is about 995.6433716863.

The spelling of 986986973 in words is "nine hundred eighty-six million, nine hundred eighty-six thousand, nine hundred seventy-three".