3572864 has 32 divisors (see below), whose sum is σ = 7213440. Its totient is φ = 1762560.

The previous prime is 3572857. The next prime is 3572867. The reversal of 3572864 is 4682753.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3572867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13049 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (225420).

Almost surely, 2^3572864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3572864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3606720).

3572864 is an abundant number, since it is smaller than the sum of its proper divisors (3640576).

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

3572864 is a wasteful number, since it uses less digits than its factorization.

3572864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 376 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 3572864 is about 1890.2021055961. The cubic root of 3572864 is about 152.8758301648.

The spelling of 3572864 in words is "three million, five hundred seventy-two thousand, eight hundred sixty-four".