3872564 has 6 divisors (see below), whose sum is σ = 6776994. Its totient is φ = 1936280.

The previous prime is 3872543. The next prime is 3872567. The reversal of 3872564 is 4652783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 1123600 = 1658^2 + 1060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484067 + ... + 484074.

It is an arithmetic number, because the mean of its divisors is an integer number (1129499).

Almost surely, 2^3872564 is an apocalyptic number.

It is an amenable number.

3872564 is a deficient number, since it is larger than the sum of its proper divisors (2904430).

3872564 is a wasteful number, since it uses less digits than its factorization.

3872564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968145 (or 968143 counting only the distinct ones).

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

The square root of 3872564 is about 1967.8831266109. The cubic root of 3872564 is about 157.0361121577.

The spelling of 3872564 in words is "three million, eight hundred seventy-two thousand, five hundred sixty-four".