6816634 has 16 divisors (see below), whose sum is σ = 11197440. Its totient is φ = 3086560.

The previous prime is 6816631. The next prime is 6816659. The reversal of 6816634 is 4366186.

It is a self number, because there is not a number n which added to its sum of digits gives 6816634.

It is not an unprimeable number, because it can be changed into a prime (6816631) 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, 8022 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (699840).

Almost surely, 2^6816634 is an apocalyptic number.

6816634 is a deficient number, since it is larger than the sum of its proper divisors (4380806).

6816634 is a wasteful number, since it uses less digits than its factorization.

6816634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205.

The product of its digits is 20736, while the sum is 34.

The square root of 6816634 is about 2610.8684378957. The cubic root of 6816634 is about 189.6080006653.

The spelling of 6816634 in words is "six million, eight hundred sixteen thousand, six hundred thirty-four".