4421536 has 24 divisors (see below), whose sum is σ = 9948960. Its totient is φ = 1894848.

The previous prime is 4421533. The next prime is 4421539. The reversal of 4421536 is 6351244.

It is an interprime number because it is at equal distance from previous prime (4421533) and next prime (4421539).

It is a self number, because there is not a number n which added to its sum of digits gives 4421536.

It is not an unprimeable number, because it can be changed into a prime (4421533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9646 + ... + 10093.

It is an arithmetic number, because the mean of its divisors is an integer number (414540).

Almost surely, 2^4421536 is an apocalyptic number.

It is an amenable number.

4421536 is an abundant number, since it is smaller than the sum of its proper divisors (5527424).

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

4421536 is a wasteful number, since it uses less digits than its factorization.

4421536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19756 (or 19748 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 4421536 is about 2102.7448727794. The cubic root of 4421536 is about 164.1311661350.

The spelling of 4421536 in words is "four million, four hundred twenty-one thousand, five hundred thirty-six".