3245985 has 24 divisors (see below), whose sum is σ = 5736744. Its totient is φ = 1697280.

The previous prime is 3245971. The next prime is 3245987. The reversal of 3245985 is 5895423.

It can be written as a sum of positive squares in 4 ways, for example, as 207936 + 3038049 = 456^2 + 1743^2 .

It is not a de Polignac number, because 3245985 - 2⁷ = 3245857 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1705 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (239031).

Almost surely, 2^3245985 is an apocalyptic number.

It is an amenable number.

3245985 is a deficient number, since it is larger than the sum of its proper divisors (2490759).

3245985 is a wasteful number, since it uses less digits than its factorization.

3245985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1422 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 3245985 is about 1801.6617329566. The cubic root of 3245985 is about 148.0637812504.

The spelling of 3245985 in words is "three million, two hundred forty-five thousand, nine hundred eighty-five".