9941986 has 4 divisors (see below), whose sum is σ = 14912982. Its totient is φ = 4970992.

The previous prime is 9941977. The next prime is 9942007. The reversal of 9941986 is 6891499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7480225 + 2461761 = 2735^2 + 1569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485495 + ... + 2485498.

Almost surely, 2^9941986 is an apocalyptic number.

9941986 is a deficient number, since it is larger than the sum of its proper divisors (4970996).

9941986 is a wasteful number, since it uses less digits than its factorization.

9941986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970995.

The product of its digits is 139968, while the sum is 46.

The square root of 9941986 is about 3153.0914988309. The cubic root of 9941986 is about 215.0260361475.

The spelling of 9941986 in words is "nine million, nine hundred forty-one thousand, nine hundred eighty-six".