4451216 has 40 divisors (see below), whose sum is σ = 10755264. Its totient is φ = 1733760.

The previous prime is 4451191. The next prime is 4451219. The reversal of 4451216 is 6121544.

It is a junction number, because it is equal to n+sod(n) for n = 4451191 and 4451200.

It is not an unprimeable number, because it can be changed into a prime (4451219) 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 7 ways as a sum of consecutive naturals, for example, 575 + ... + 3038.

Almost surely, 2^4451216 is an apocalyptic number.

It is an amenable number.

4451216 is an abundant number, since it is smaller than the sum of its proper divisors (6304048).

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

4451216 is a wasteful number, since it uses less digits than its factorization.

4451216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3633 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 4451216 is about 2109.7905109276. The cubic root of 4451216 is about 164.4975963778.

It can be divided in two parts, 445 and 1216, that added together give a palindrome (1661).

The spelling of 4451216 in words is "four million, four hundred fifty-one thousand, two hundred sixteen".