387009304 has 48 divisors (see below), whose sum is σ = 802564560. Its totient is φ = 174820800.

The previous prime is 387009289. The next prime is 387009317. The reversal of 387009304 is 403900783.

It is a self number, because there is not a number n which added to its sum of digits gives 387009304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166309 + ... + 168619.

It is an arithmetic number, because the mean of its divisors is an integer number (16720095).

Almost surely, 2^387009304 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 387009304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401282280).

387009304 is an abundant number, since it is smaller than the sum of its proper divisors (415555256).

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

387009304 is a wasteful number, since it uses less digits than its factorization.

387009304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 387009304 is about 19672.5520459345. The cubic root of 387009304 is about 728.7420029976.

The spelling of 387009304 in words is "three hundred eighty-seven million, nine thousand, three hundred four".