8685667 has 2 divisors, whose sum is σ = 8685668. Its totient is φ = 8685666.

The previous prime is 8685661. The next prime is 8685683. The reversal of 8685667 is 7665868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8685667 - 2³ = 8685659 is a prime.

It is a super-2 number, since 2×8685667² = 150881622469778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8685661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4342833 + 4342834.

It is an arithmetic number, because the mean of its divisors is an integer number (4342834).

Almost surely, 2^8685667 is an apocalyptic number.

8685667 is a deficient number, since it is larger than the sum of its proper divisors (1).

8685667 is an equidigital number, since it uses as much as digits as its factorization.

8685667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 8685667 is about 2947.1455681727. The cubic root of 8685667 is about 205.5580038450.

The spelling of 8685667 in words is "eight million, six hundred eighty-five thousand, six hundred sixty-seven".