4209444 has 18 divisors (see below), whose sum is σ = 10640630. Its totient is φ = 1403136.

The previous prime is 4209407. The next prime is 4209451. The reversal of 4209444 is 4449024.

It can be written as a sum of positive squares in only one way, i.e., 3849444 + 360000 = 1962^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58429 + ... + 58500.

Almost surely, 2^4209444 is an apocalyptic number.

It is an amenable number.

4209444 is an abundant number, since it is smaller than the sum of its proper divisors (6431186).

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

4209444 is a wasteful number, since it uses less digits than its factorization.

4209444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116939 (or 116934 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4209444 is about 2051.6929594849. The cubic root of 4209444 is about 161.4637043939.

The spelling of 4209444 in words is "four million, two hundred nine thousand, four hundred forty-four".