4400168 has 16 divisors (see below), whose sum is σ = 8290080. Its totient is φ = 2189488.

The previous prime is 4400167. The next prime is 4400183. The reversal of 4400168 is 8610044.

It is a happy number.

It is a super-2 number, since 2×4400168² = 38722956856448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (518130).

Almost surely, 2^4400168 is an apocalyptic number.

It is an amenable number.

4400168 is a deficient number, since it is larger than the sum of its proper divisors (3889912).

4400168 is a wasteful number, since it uses less digits than its factorization.

4400168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4400168 is about 2097.6577413868. The cubic root of 4400168 is about 163.8663396386.

The spelling of 4400168 in words is "four million, four hundred thousand, one hundred sixty-eight".