396944 has 10 divisors (see below), whose sum is σ = 769110. Its totient is φ = 198464.

The previous prime is 396943. The next prime is 396947. The reversal of 396944 is 449693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 12544 = 620^2 + 112^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396944.

It is not an unprimeable number, because it can be changed into a prime (396943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12389 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (76911).

2³⁹⁶⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

396944 is a deficient number, since it is larger than the sum of its proper divisors (372166).

396944 is a wasteful number, since it uses less digits than its factorization.

396944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24817 (or 24811 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 396944 is about 630.0349196672. The cubic root of 396944 is about 73.4925100733.

The spelling of 396944 in words is "three hundred ninety-six thousand, nine hundred forty-four".