3643536 has 40 divisors (see below), whose sum is σ = 10138240. Its totient is φ = 1120896.

The previous prime is 3643529. The next prime is 3643537. The reversal of 3643536 is 6353463.

It is not an unprimeable number, because it can be changed into a prime (3643537) 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, 2296 + ... + 3543.

It is an arithmetic number, because the mean of its divisors is an integer number (253456).

Almost surely, 2^3643536 is an apocalyptic number.

It is an amenable number.

3643536 is an abundant number, since it is smaller than the sum of its proper divisors (6494704).

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

3643536 is a wasteful number, since it uses less digits than its factorization.

3643536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5857 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 3643536 is about 1908.8048616870. The cubic root of 3643536 is about 153.8772282871.

Adding to 3643536 its reverse (6353463), we get a palindrome (9996999).

The spelling of 3643536 in words is "three million, six hundred forty-three thousand, five hundred thirty-six".