4320636 has 12 divisors (see below), whose sum is σ = 10081512. Its totient is φ = 1440208.

The previous prime is 4320607. The next prime is 4320637. The reversal of 4320636 is 6360234.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 4¹¹ + 3¹⁰ + 2¹³ + 0 + 6 + 3¹⁰ + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320637) 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 3 ways as a sum of consecutive naturals, for example, 180015 + ... + 180038.

It is an arithmetic number, because the mean of its divisors is an integer number (840126).

Almost surely, 2^4320636 is an apocalyptic number.

It is an amenable number.

4320636 is an abundant number, since it is smaller than the sum of its proper divisors (5760876).

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

4320636 is a wasteful number, since it uses less digits than its factorization.

4320636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360060 (or 360058 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 4320636 is about 2078.6139612732. The cubic root of 4320636 is about 162.8730490554.

The spelling of 4320636 in words is "four million, three hundred twenty thousand, six hundred thirty-six".