387648324 has 72 divisors (see below), whose sum is σ = 1124323200. Its totient is φ = 110316672.

The previous prime is 387648319. The next prime is 387648337. The reversal of 387648324 is 423846783.

It is a self number, because there is not a number n which added to its sum of digits gives 387648324.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 63352 + ... + 69200.

It is an arithmetic number, because the mean of its divisors is an integer number (15615600).

Almost surely, 2^387648324 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 387648324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562161600).

387648324 is an abundant number, since it is smaller than the sum of its proper divisors (736674876).

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

387648324 is a wasteful number, since it uses less digits than its factorization.

387648324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 6124 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 387648324 is about 19688.7867579493. The cubic root of 387648324 is about 729.1428759120.

The spelling of 387648324 in words is "three hundred eighty-seven million, six hundred forty-eight thousand, three hundred twenty-four".