6681308 has 6 divisors (see below), whose sum is σ = 11692296. Its totient is φ = 3340652.

The previous prime is 6681287. The next prime is 6681329. The reversal of 6681308 is 8031866.

It is an interprime number because it is at equal distance from previous prime (6681287) and next prime (6681329).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835160 + ... + 835167.

It is an arithmetic number, because the mean of its divisors is an integer number (1948716).

Almost surely, 2^6681308 is an apocalyptic number.

It is an amenable number.

6681308 is a deficient number, since it is larger than the sum of its proper divisors (5010988).

6681308 is a wasteful number, since it uses less digits than its factorization.

6681308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670331 (or 1670329 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 6681308 is about 2584.8226244754. The cubic root of 6681308 is about 188.3448852566.

Adding to 6681308 its sum of digits (32), we get a triangular number (6681340 = T₃₆₅₅).

The spelling of 6681308 in words is "six million, six hundred eighty-one thousand, three hundred eight".