396444 has 12 divisors (see below), whose sum is σ = 925064. Its totient is φ = 132144.

The previous prime is 396443. The next prime is 396449. The reversal of 396444 is 444693.

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

396444 is a modest number, since divided by 444 gives 396 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396443) 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, 16507 + ... + 16530.

2³⁹⁶⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

396444 is an abundant number, since it is smaller than the sum of its proper divisors (528620).

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

396444 is a wasteful number, since it uses less digits than its factorization.

396444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33044 (or 33042 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 396444 is about 629.6379912299. The cubic root of 396444 is about 73.4616394764.

The spelling of 396444 in words is "three hundred ninety-six thousand, four hundred forty-four".