6686049 has 16 divisors (see below), whose sum is σ = 9745920. Its totient is φ = 4058880.

The previous prime is 6686047. The next prime is 6686051. The reversal of 6686049 is 9406866.

It is an interprime number because it is at equal distance from previous prime (6686047) and next prime (6686051).

It is not a de Polignac number, because 6686049 - 2¹ = 6686047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6685998 and 6686016.

It is not an unprimeable number, because it can be changed into a prime (6686041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (609120).

Almost surely, 2^6686049 is an apocalyptic number.

It is an amenable number.

6686049 is a deficient number, since it is larger than the sum of its proper divisors (3059871).

6686049 is a wasteful number, since it uses less digits than its factorization.

6686049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6686049 is about 2585.7395460487. The cubic root of 6686049 is about 188.3894240393.

The spelling of 6686049 in words is "six million, six hundred eighty-six thousand, forty-nine".