323685648 has 180 divisors, whose sum is σ = 1073051980. Its totient is φ = 90478080.

The previous prime is 323685631. The next prime is 323685683. The reversal of 323685648 is 846586323.

It is a happy number.

323685648 is a `hidden beast` number, since 3 + 23 + 68 + 564 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33732864 + 289952784 = 5808^2 + 17028^2 .

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 35 ways as a sum of consecutive naturals, for example, 225798 + ... + 227226.

Almost surely, 2^323685648 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 323685648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536525990).

323685648 is an abundant number, since it is smaller than the sum of its proper divisors (749366332).

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

323685648 is a wasteful number, since it uses less digits than its factorization.

323685648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478 (or 1458 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 323685648 is about 17991.2658809768. The cubic root of 323685648 is about 686.6063482170.

The spelling of 323685648 in words is "three hundred twenty-three million, six hundred eighty-five thousand, six hundred forty-eight".