3001685 has 4 divisors (see below), whose sum is σ = 3602028. Its totient is φ = 2401344.

The previous prime is 3001681. The next prime is 3001697. The reversal of 3001685 is 5861003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 1044484 = 1399^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 3001685 - 2² = 3001681 is a prime.

It is a super-2 number, since 2×3001685² = 18020225678450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3001685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300164 + ... + 300173.

It is an arithmetic number, because the mean of its divisors is an integer number (900507).

Almost surely, 2^3001685 is an apocalyptic number.

It is an amenable number.

3001685 is a deficient number, since it is larger than the sum of its proper divisors (600343).

3001685 is an equidigital number, since it uses as much as digits as its factorization.

3001685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600342.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3001685 is about 1732.5371568887. The cubic root of 3001685 is about 144.2519540939.

Adding to 3001685 its reverse (5861003), we get a palindrome (8862688).

The spelling of 3001685 in words is "three million, one thousand, six hundred eighty-five".