8685601 has 2 divisors, whose sum is σ = 8685602. Its totient is φ = 8685600.

The previous prime is 8685583. The next prime is 8685619. The reversal of 8685601 is 1065868.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8685583) and next prime (8685619).

It can be written as a sum of positive squares in only one way, i.e., 8526400 + 159201 = 2920^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 8685601 - 2⁵ = 8685569 is a prime.

It is not a weakly prime, because it can be changed into another prime (8685631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4342800 + 4342801.

It is an arithmetic number, because the mean of its divisors is an integer number (4342801).

Almost surely, 2^8685601 is an apocalyptic number.

It is an amenable number.

8685601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8685601 is an equidigital number, since it uses as much as digits as its factorization.

8685601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8685601 is about 2947.1343708762. The cubic root of 8685601 is about 205.5574831840.

The spelling of 8685601 in words is "eight million, six hundred eighty-five thousand, six hundred one".