4168444 has 12 divisors (see below), whose sum is σ = 8336944. Its totient is φ = 1786464.

The previous prime is 4168433. The next prime is 4168447. The reversal of 4168444 is 4448614.

4168444 is an admirable number.

It is a super-2 number, since 2×4168444² = 34751850762272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168447) 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, 74409 + ... + 74464.

Almost surely, 2^4168444 is an apocalyptic number.

It is an amenable number.

4168444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4168444 is a wasteful number, since it uses less digits than its factorization.

4168444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148884 (or 148882 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 4168444 is about 2041.6767618798. The cubic root of 4168444 is about 160.9377741347.

The spelling of 4168444 in words is "four million, one hundred sixty-eight thousand, four hundred forty-four".