396500800 has 42 divisors (see below), whose sum is σ = 975643718. Its totient is φ = 158599680.

The previous prime is 396500779. The next prime is 396500801. The reversal of 396500800 is 8005693.

It can be written as a sum of positive squares in 3 ways, for example, as 968256 + 395532544 = 984^2 + 19888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396500801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122307 + ... + 125506.

Almost surely, 2^396500800 is an apocalyptic number.

It is an amenable number.

396500800 is an abundant number, since it is smaller than the sum of its proper divisors (579142918).

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

396500800 is a wasteful number, since it uses less digits than its factorization.

396500800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247835 (or 247820 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 396500800 is about 19912.3278398082. The cubic root of 396500800 is about 734.6514768257.

The spelling of 396500800 in words is "three hundred ninety-six million, five hundred thousand, eight hundred".