396744804 has 60 divisors (see below), whose sum is σ = 1041677868. Its totient is φ = 131673600.

The previous prime is 396744797. The next prime is 396744863. The reversal of 396744804 is 408447693.

It can be written as a sum of positive squares in 2 ways, for example, as 170302500 + 226442304 = 13050^2 + 15048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396744804.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75544 + ... + 80624.

Almost surely, 2^396744804 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 396744804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520838934).

396744804 is an abundant number, since it is smaller than the sum of its proper divisors (644933064).

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

396744804 is a wasteful number, since it uses less digits than its factorization.

396744804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5327 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 396744804 is about 19918.4538556586. The cubic root of 396744804 is about 734.8021458283.

The spelling of 396744804 in words is "three hundred ninety-six million, seven hundred forty-four thousand, eight hundred four".