982686947 has 4 divisors (see below), whose sum is σ = 1072022136. Its totient is φ = 893351760.

The previous prime is 982686917. The next prime is 982686967. The reversal of 982686947 is 749686289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749686289 = 11 ⋅68153299.

It is a cyclic number.

It is not a de Polignac number, because 982686947 - 2¹⁶ = 982621411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (982686917) 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, 44667578 + ... + 44667599.

It is an arithmetic number, because the mean of its divisors is an integer number (268005534).

Almost surely, 2^982686947 is an apocalyptic number.

982686947 is a deficient number, since it is larger than the sum of its proper divisors (89335189).

982686947 is a wasteful number, since it uses less digits than its factorization.

982686947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89335188.

The product of its digits is 10450944, while the sum is 59.

The square root of 982686947 is about 31347.8379956258. The cubic root of 982686947 is about 994.1953536074.

The spelling of 982686947 in words is "nine hundred eighty-two million, six hundred eighty-six thousand, nine hundred forty-seven".