3201864 has 32 divisors (see below), whose sum is σ = 8100000. Its totient is φ = 1054592.

The previous prime is 3201857. The next prime is 3201893. The reversal of 3201864 is 4681023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (253125).

Almost surely, 2^3201864 is an apocalyptic number.

It is an amenable number.

3201864 is an abundant number, since it is smaller than the sum of its proper divisors (4898136).

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

3201864 is a wasteful number, since it uses less digits than its factorization.

3201864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3201864 is about 1789.3753099895. The cubic root of 3201864 is about 147.3898670364.

Adding to 3201864 its reverse (4681023), we get a palindrome (7882887).

The spelling of 3201864 in words is "three million, two hundred one thousand, eight hundred sixty-four".