3572816 has 40 divisors (see below), whose sum is σ = 7577640. Its totient is φ = 1622016.

The previous prime is 3572731. The next prime is 3572819. The reversal of 3572816 is 6182753.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 3534400 = 196^2 + 1880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3572819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18416 + ... + 18608.

It is an arithmetic number, because the mean of its divisors is an integer number (189441).

Almost surely, 2^3572816 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 3572816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788820).

3572816 is an abundant number, since it is smaller than the sum of its proper divisors (4004824).

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

3572816 is a wasteful number, since it uses less digits than its factorization.

3572816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 297 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 3572816 is about 1890.1894084985. The cubic root of 3572816 is about 152.8751455532.

The spelling of 3572816 in words is "three million, five hundred seventy-two thousand, eight hundred sixteen".