3860645 has 8 divisors (see below), whose sum is σ = 4674456. Its totient is φ = 3060736.

The previous prime is 3860641. The next prime is 3860657. The reversal of 3860645 is 5460683.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 3682561 = 422^2 + 1919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3860645 - 2² = 3860641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2852 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (584307).

Almost surely, 2^3860645 is an apocalyptic number.

It is an amenable number.

3860645 is a deficient number, since it is larger than the sum of its proper divisors (813811).

3860645 is a wasteful number, since it uses less digits than its factorization.

3860645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3860645 is about 1964.8524117602. The cubic root of 3860645 is about 156.8748377008.

The spelling of 3860645 in words is "three million, eight hundred sixty thousand, six hundred forty-five".