6838006986 has 16 divisors (see below), whose sum is σ = 15195571200. Its totient is φ = 2279335644.

The previous prime is 6838006979. The next prime is 6838006991. The reversal of 6838006986 is 6896008386.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 126629759 = 6838006986 / (6 + 8 + 3 + 8 + 0 + 0 + 6 + 9 + 8 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63314826 + ... + 63314933.

It is an arithmetic number, because the mean of its divisors is an integer number (949723200).

Almost surely, 2^6838006986 is an apocalyptic number.

6838006986 is an abundant number, since it is smaller than the sum of its proper divisors (8357564214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6838006986 is a wasteful number, since it uses less digits than its factorization.

6838006986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126629770 (or 126629764 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6838006986 is about 82692.2425986864. The cubic root of 6838006986 is about 1898.0596059159.

The spelling of 6838006986 in words is "six billion, eight hundred thirty-eight million, six thousand, nine hundred eighty-six".