6685587 has 12 divisors (see below), whose sum is σ = 10165480. Its totient is φ = 4222368.

The previous prime is 6685577. The next prime is 6685603. The reversal of 6685587 is 7855866.

6685587 is a `hidden beast` number, since 6 + 68 + 5 + 587 = 666.

6685587 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6685587 - 2⁸ = 6685331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6685507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19378 + ... + 19719.

Almost surely, 2^6685587 is an apocalyptic number.

6685587 is a deficient number, since it is larger than the sum of its proper divisors (3479893).

6685587 is a wasteful number, since it uses less digits than its factorization.

6685587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39122 (or 39119 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 6685587 is about 2585.6502083615. The cubic root of 6685587 is about 188.3850847592.

The spelling of 6685587 in words is "six million, six hundred eighty-five thousand, five hundred eighty-seven".