9800003986 has 4 divisors (see below), whose sum is σ = 14700005982. Its totient is φ = 4900001992.

The previous prime is 9800003947. The next prime is 9800004007. The reversal of 9800003986 is 6893000089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6893000089 = 373 ⋅18479893.

It can be written as a sum of positive squares in only one way, i.e., 8636170761 + 1163833225 = 92931^2 + 34115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450000995 + ... + 2450000998.

Almost surely, 2^9800003986 is an apocalyptic number.

9800003986 is a deficient number, since it is larger than the sum of its proper divisors (4900001996).

9800003986 is a wasteful number, since it uses less digits than its factorization.

9800003986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900001995.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9800003986 is about 98994.9694984548. The cubic root of 9800003986 is about 2139.9752512641.

The spelling of 9800003986 in words is "nine billion, eight hundred million, three thousand, nine hundred eighty-six".