3905564 has 48 divisors (see below), whose sum is σ = 7996800. Its totient is φ = 1653696.

The previous prime is 3905543. The next prime is 3905599. The reversal of 3905564 is 4655093.

It is a happy number.

3905564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3905564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58259 + ... + 58325.

It is an arithmetic number, because the mean of its divisors is an integer number (166600).

Almost surely, 2^3905564 is an apocalyptic number.

It is an amenable number.

3905564 is an abundant number, since it is smaller than the sum of its proper divisors (4091236).

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

3905564 is a wasteful number, since it uses less digits than its factorization.

3905564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3905564 is about 1976.2499841872. The cubic root of 3905564 is about 157.4809114348.

The spelling of 3905564 in words is "three million, nine hundred five thousand, five hundred sixty-four".