3555444 has 12 divisors (see below), whose sum is σ = 8296064. Its totient is φ = 1185144.

The previous prime is 3555443. The next prime is 3555449. The reversal of 3555444 is 4445553.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555443) 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, 148132 + ... + 148155.

Almost surely, 2^3555444 is an apocalyptic number.

It is an amenable number.

3555444 is an abundant number, since it is smaller than the sum of its proper divisors (4740620).

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

3555444 is a wasteful number, since it uses less digits than its factorization.

3555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296294 (or 296292 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 3555444 is about 1885.5885022984. The cubic root of 3555444 is about 152.6269694167.

The spelling of 3555444 in words is "three million, five hundred fifty-five thousand, four hundred forty-four".