324399648 has 48 divisors (see below), whose sum is σ = 852707520. Its totient is φ = 107986176.

The previous prime is 324399643. The next prime is 324399653. The reversal of 324399648 is 846993423.

It is an interprime number because it is at equal distance from previous prime (324399643) and next prime (324399653).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 324399597 and 324399606.

It is not an unprimeable number, because it can be changed into a prime (324399643) 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 7 ways as a sum of consecutive naturals, for example, 86386 + ... + 90062.

It is an arithmetic number, because the mean of its divisors is an integer number (17764740).

Almost surely, 2^324399648 is an apocalyptic number.

It is an amenable number.

324399648 is an abundant number, since it is smaller than the sum of its proper divisors (528307872).

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

324399648 is a wasteful number, since it uses less digits than its factorization.

324399648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4601 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 324399648 is about 18011.0979121207. The cubic root of 324399648 is about 687.1108262651.

324399648 divided by its sum of digits (48) gives a triangular number (6758326 = T₃₆₇₆).

The spelling of 324399648 in words is "three hundred twenty-four million, three hundred ninety-nine thousand, six hundred forty-eight".