6986642 has 16 divisors (see below), whose sum is σ = 11880960. Its totient is φ = 3054672.

The previous prime is 6986627. The next prime is 6986647. The reversal of 6986642 is 2466896.

It is a self number, because there is not a number n which added to its sum of digits gives 6986642.

It is not an unprimeable number, because it can be changed into a prime (6986647) 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, 6578 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (742560).

Almost surely, 2^6986642 is an apocalyptic number.

6986642 is a deficient number, since it is larger than the sum of its proper divisors (4894318).

6986642 is a wasteful number, since it uses less digits than its factorization.

6986642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14177.

The product of its digits is 124416, while the sum is 41.

The square root of 6986642 is about 2643.2256808680. The cubic root of 6986642 is about 191.1713601530.

The spelling of 6986642 in words is "six million, nine hundred eighty-six thousand, six hundred forty-two".