3218572 has 24 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 1359120.

The previous prime is 3218569. The next prime is 3218587. The reversal of 3218572 is 2758123.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 3218572.

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, 1179 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^3218572 is an apocalyptic number.

It is an amenable number.

3218572 is an abundant number, since it is smaller than the sum of its proper divisors (3313268).

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

3218572 is a wasteful number, since it uses less digits than its factorization.

3218572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1699 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3218572 is about 1794.0379037244. The cubic root of 3218572 is about 147.6457928384.

The spelling of 3218572 in words is "three million, two hundred eighteen thousand, five hundred seventy-two".