4385944 has 8 divisors (see below), whose sum is σ = 8223660. Its totient is φ = 2192968.

The previous prime is 4385923. The next prime is 4385947. The reversal of 4385944 is 4495834.

4385944 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4385944² = 38473009542272, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274114 + ... + 274129.

Almost surely, 2^4385944 is an apocalyptic number.

It is an amenable number.

4385944 is a deficient number, since it is larger than the sum of its proper divisors (3837716).

4385944 is a wasteful number, since it uses less digits than its factorization.

4385944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548249 (or 548245 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 4385944 is about 2094.2645487139. The cubic root of 4385944 is about 163.6895773809.

It can be divided in two parts, 4385 and 944, that added together give a square (5329 = 73²).

The spelling of 4385944 in words is "four million, three hundred eighty-five thousand, nine hundred forty-four".