4385444 has 12 divisors (see below), whose sum is σ = 8770944. Its totient is φ = 1879464.

The previous prime is 4385399. The next prime is 4385461. The reversal of 4385444 is 4445834.

4385444 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4385444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78284 + ... + 78339.

It is an arithmetic number, because the mean of its divisors is an integer number (730912).

Almost surely, 2^4385444 is an apocalyptic number.

It is an amenable number.

4385444 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.

4385444 is a wasteful number, since it uses less digits than its factorization.

4385444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156634 (or 156632 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 4385444 is about 2094.1451716631. The cubic root of 4385444 is about 163.6833569109.

The spelling of 4385444 in words is "four million, three hundred eighty-five thousand, four hundred forty-four".