396009600 has 384 divisors, whose sum is σ = 1529902080. Its totient is φ = 88166400.

The previous prime is 396009599. The next prime is 396009617. The reversal of 396009600 is 6900693.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4771159 + ... + 4771241.

It is an arithmetic number, because the mean of its divisors is an integer number (3984120).

Almost surely, 2^396009600 is an apocalyptic number.

396009600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396009600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764951040).

396009600 is an abundant number, since it is smaller than the sum of its proper divisors (1133892480).

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

396009600 is a wasteful number, since it uses less digits than its factorization.

396009600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 396009600 is about 19899.9899497462. The cubic root of 396009600 is about 734.3479802342.

The spelling of 396009600 in words is "three hundred ninety-six million, nine thousand, six hundred".