6984986 has 4 divisors (see below), whose sum is σ = 10477482. Its totient is φ = 3492492.

The previous prime is 6984983. The next prime is 6984997. The reversal of 6984986 is 6894896.

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., 5499025 + 1485961 = 2345^2 + 1219^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6984983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746245 + ... + 1746248.

Almost surely, 2^6984986 is an apocalyptic number.

6984986 is a deficient number, since it is larger than the sum of its proper divisors (3492496).

6984986 is a wasteful number, since it uses less digits than its factorization.

6984986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492495.

The product of its digits is 746496, while the sum is 50.

The square root of 6984986 is about 2642.9124086886. The cubic root of 6984986 is about 191.1562549094.

The spelling of 6984986 in words is "six million, nine hundred eighty-four thousand, nine hundred eighty-six".