4400812 has 12 divisors (see below), whose sum is σ = 8293936. Its totient is φ = 2031120.

The previous prime is 4400801. The next prime is 4400813. The reversal of 4400812 is 2180044.

It is a self number, because there is not a number n which added to its sum of digits gives 4400812.

It is not an unprimeable number, because it can be changed into a prime (4400813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42264 + ... + 42367.

Almost surely, 2^4400812 is an apocalyptic number.

It is an amenable number.

4400812 is a deficient number, since it is larger than the sum of its proper divisors (3893124).

4400812 is a wasteful number, since it uses less digits than its factorization.

4400812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84648 (or 84646 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4400812 is about 2097.8112403169. The cubic root of 4400812 is about 163.8743336345.

Adding to 4400812 its reverse (2180044), we get a palindrome (6580856).

The spelling of 4400812 in words is "four million, four hundred thousand, eight hundred twelve".