6981634 has 32 divisors (see below), whose sum is σ = 12234240. Its totient is φ = 2956800.

The previous prime is 6981631. The next prime is 6981659. The reversal of 6981634 is 4361896.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6981593 and 6981602.

It is not an unprimeable number, because it can be changed into a prime (6981631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19602 + ... + 19954.

It is an arithmetic number, because the mean of its divisors is an integer number (382320).

Almost surely, 2^6981634 is an apocalyptic number.

6981634 is a deficient number, since it is larger than the sum of its proper divisors (5252606).

6981634 is a wasteful number, since it uses less digits than its factorization.

6981634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 31104, while the sum is 37.

The square root of 6981634 is about 2642.2781836892. The cubic root of 6981634 is about 191.1256722525.

It can be divided in two parts, 698 and 1634, that added together give a palindrome (2332).

The spelling of 6981634 in words is "six million, nine hundred eighty-one thousand, six hundred thirty-four".