3200660 has 12 divisors (see below), whose sum is σ = 6721428. Its totient is φ = 1280256.

The previous prime is 3200629. The next prime is 3200663. The reversal of 3200660 is 660023.

It can be written as a sum of positive squares in 2 ways, for example, as 425104 + 2775556 = 652^2 + 1666^2 .

3200660 is a modest number, since divided by 660 gives 320 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79997 + ... + 80036.

It is an arithmetic number, because the mean of its divisors is an integer number (560119).

Almost surely, 2^3200660 is an apocalyptic number.

It is an amenable number.

3200660 is an abundant number, since it is smaller than the sum of its proper divisors (3520768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3200660 is a wasteful number, since it uses less digits than its factorization.

3200660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160042 (or 160040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3200660 is about 1789.0388480969. The cubic root of 3200660 is about 147.3713903358.

Adding to 3200660 its reverse (660023), we get a palindrome (3860683).

The spelling of 3200660 in words is "three million, two hundred thousand, six hundred sixty".