8686001 has 2 divisors, whose sum is σ = 8686002. Its totient is φ = 8686000.

The previous prime is 8685979. The next prime is 8686003. The reversal of 8686001 is 1006868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4844401 + 3841600 = 2201^2 + 1960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8686001 is a prime.

It is a super-2 number, since 2×8686001² = 150893226744002, which contains 22 as substring.

Together with 8686003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8686003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343000 + 4343001.

It is an arithmetic number, because the mean of its divisors is an integer number (4343001).

Almost surely, 2^8686001 is an apocalyptic number.

It is an amenable number.

8686001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8686001 is an equidigital number, since it uses as much as digits as its factorization.

8686001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8686001 is about 2947.2022326267. The cubic root of 8686001 is about 205.5606386644.

The spelling of 8686001 in words is "eight million, six hundred eighty-six thousand, one".