4085444 has 36 divisors (see below), whose sum is σ = 8222592. Its totient is φ = 1771440.

The previous prime is 4085413. The next prime is 4085447. The reversal of 4085444 is 4445804.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4085447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10949 + ... + 11315.

Almost surely, 2^4085444 is an apocalyptic number.

4085444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4085444 is an abundant number, since it is smaller than the sum of its proper divisors (4137148).

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

4085444 is a wasteful number, since it uses less digits than its factorization.

4085444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4085444 is about 2021.2481292508. The cubic root of 4085444 is about 159.8624338394.

The spelling of 4085444 in words is "four million, eighty-five thousand, four hundred forty-four".