387288552 has 96 divisors (see below), whose sum is σ = 1185645600. Its totient is φ = 104823936.

The previous prime is 387288547. The next prime is 387288637. The reversal of 387288552 is 255882783.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13678 + ... + 31010.

It is an arithmetic number, because the mean of its divisors is an integer number (12350475).

Almost surely, 2^387288552 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 387288552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592822800).

387288552 is an abundant number, since it is smaller than the sum of its proper divisors (798357048).

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

387288552 is a wasteful number, since it uses less digits than its factorization.

387288552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17375 (or 17364 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 387288552 is about 19679.6481675867. The cubic root of 387288552 is about 728.9172363568.

The spelling of 387288552 in words is "three hundred eighty-seven million, two hundred eighty-eight thousand, five hundred fifty-two".