3565428 has 24 divisors (see below), whose sum is σ = 8426880. Its totient is φ = 1173120.

The previous prime is 3565423. The next prime is 3565447. The reversal of 3565428 is 8245653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^3565428 is an apocalyptic number.

It is an amenable number.

3565428 is an abundant number, since it is smaller than the sum of its proper divisors (4861452).

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

3565428 is a wasteful number, since it uses less digits than its factorization.

3565428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847 (or 3845 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 3565428 is about 1888.2340956566. The cubic root of 3565428 is about 152.7696992263.

It can be divided in two parts, 3565 and 428, that added together give a palindrome (3993).

The spelling of 3565428 in words is "three million, five hundred sixty-five thousand, four hundred twenty-eight".