3200864 has 24 divisors (see below), whose sum is σ = 6577200. Its totient is φ = 1530496.

The previous prime is 3200861. The next prime is 3200881. The reversal of 3200864 is 4680023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200861) 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, 1439 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

Almost surely, 2^3200864 is an apocalyptic number.

It is an amenable number.

3200864 is an abundant number, since it is smaller than the sum of its proper divisors (3376336).

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

3200864 is a wasteful number, since it uses less digits than its factorization.

3200864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4374 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3200864 is about 1789.0958610427. The cubic root of 3200864 is about 147.3745212656.

Adding to 3200864 its reverse (4680023), we get a palindrome (7880887).

The spelling of 3200864 in words is "three million, two hundred thousand, eight hundred sixty-four".