396504648 has 24 divisors (see below), whose sum is σ = 1073866950. Its totient is φ = 132168192.

The previous prime is 396504637. The next prime is 396504649. The reversal of 396504648 is 846405693.

It can be written as a sum of positive squares in only one way, i.e., 257217444 + 139287204 = 16038^2 + 11802^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (396504649) 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, 2753433 + ... + 2753576.

Almost surely, 2^396504648 is an apocalyptic number.

It is an amenable number.

396504648 is an abundant number, since it is smaller than the sum of its proper divisors (677362302).

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

396504648 is a wasteful number, since it uses less digits than its factorization.

396504648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507021 (or 5507014 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 396504648 is about 19912.4244631336. The cubic root of 396504648 is about 734.6538533907.

The spelling of 396504648 in words is "three hundred ninety-six million, five hundred four thousand, six hundred forty-eight".