387500000 has 108 divisors (see below), whose sum is σ = 984374496. Its totient is φ = 150000000.

The previous prime is 387499997. The next prime is 387500011. The reversal of 387500000 is 5783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12499985 + ... + 12500015.

Almost surely, 2^387500000 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 387500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492187248).

387500000 is an abundant number, since it is smaller than the sum of its proper divisors (596874496).

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

387500000 is an frugal number, since it uses more digits than its factorization.

387500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 387500000 is about 19685.0196850295. The cubic root of 387500000 is about 729.0498679134.

Adding to 387500000 its reverse (5783), we get a palindrome (387505783).

The spelling of 387500000 in words is "three hundred eighty-seven million, five hundred thousand".