986393947 has 8 divisors (see below), whose sum is σ = 1229789952. Its totient is φ = 768618600.

The previous prime is 986393879. The next prime is 986393951. The reversal of 986393947 is 749393689.

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 986393947 - 2¹⁹ = 985869659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 986393891 and 986393900.

It is not an unprimeable number, because it can be changed into a prime (986393957) 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, 6405079 + ... + 6405232.

It is an arithmetic number, because the mean of its divisors is an integer number (153723744).

Almost surely, 2^986393947 is an apocalyptic number.

986393947 is a deficient number, since it is larger than the sum of its proper divisors (243396005).

986393947 is a wasteful number, since it uses less digits than its factorization.

986393947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12810329.

The product of its digits is 8817984, while the sum is 58.

The square root of 986393947 is about 31406.9092239271. The cubic root of 986393947 is about 995.4439226843.

The spelling of 986393947 in words is "nine hundred eighty-six million, three hundred ninety-three thousand, nine hundred forty-seven".