6340986 has 24 divisors (see below), whose sum is σ = 14111604. Its totient is φ = 2056320.

The previous prime is 6340963. The next prime is 6341039. The reversal of 6340986 is 6890436.

It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 245025 = 2469^2 + 495^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6340986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4095 + ... + 5426.

Almost surely, 2^6340986 is an apocalyptic number.

6340986 is an abundant number, since it is smaller than the sum of its proper divisors (7770618).

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

6340986 is a wasteful number, since it uses less digits than its factorization.

6340986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9566 (or 9563 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6340986 is about 2518.1314501034. The cubic root of 6340986 is about 185.0911262773.

The spelling of 6340986 in words is "six million, three hundred forty thousand, nine hundred eighty-six".