8660385 has 16 divisors (see below), whose sum is σ = 15396480. Its totient is φ = 4618800.

The previous prime is 8660383. The next prime is 8660387. The reversal of 8660385 is 5830668.

It is an interprime number because it is at equal distance from previous prime (8660383) and next prime (8660387).

It is not a de Polignac number, because 8660385 - 2¹ = 8660383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8660381) 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, 31941 + ... + 32210.

It is an arithmetic number, because the mean of its divisors is an integer number (962280).

Almost surely, 2^8660385 is an apocalyptic number.

It is an amenable number.

8660385 is a deficient number, since it is larger than the sum of its proper divisors (6736095).

8660385 is a wasteful number, since it uses less digits than its factorization.

8660385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64165 (or 64159 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8660385 is about 2942.8532073483. The cubic root of 8660385 is about 205.3583658294.

It can be divided in two parts, 8660 and 385, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8660385 in words is "eight million, six hundred sixty thousand, three hundred eighty-five".