3806564 has 6 divisors (see below), whose sum is σ = 6661494. Its totient is φ = 1903280.

The previous prime is 3806557. The next prime is 3806567. The reversal of 3806564 is 4656083.

It can be written as a sum of positive squares in only one way, i.e., 3097600 + 708964 = 1760^2 + 842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3806564.

It is not an unprimeable number, because it can be changed into a prime (3806567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475817 + ... + 475824.

It is an arithmetic number, because the mean of its divisors is an integer number (1110249).

Almost surely, 2^3806564 is an apocalyptic number.

It is an amenable number.

3806564 is a deficient number, since it is larger than the sum of its proper divisors (2854930).

3806564 is a wasteful number, since it uses less digits than its factorization.

3806564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951645 (or 951643 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3806564 is about 1951.0417730023. The cubic root of 3806564 is about 156.1388747997.

The spelling of 3806564 in words is "three million, eight hundred six thousand, five hundred sixty-four".