396458944 has 56 divisors (see below), whose sum is σ = 903833600. Its totient is φ = 169019136.

The previous prime is 396458927. The next prime is 396458963. The reversal of 396458944 is 449854693.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 396458891 and 396458900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86929 + ... + 91375.

Almost surely, 2^396458944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396458944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451916800).

396458944 is an abundant number, since it is smaller than the sum of its proper divisors (507374656).

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

396458944 is a wasteful number, since it uses less digits than its factorization.

396458944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665 (or 4655 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 396458944 is about 19911.2768048661. The cubic root of 396458944 is about 734.6256251298.

The spelling of 396458944 in words is "three hundred ninety-six million, four hundred fifty-eight thousand, nine hundred forty-four".