387000000 has 294 divisors, whose sum is σ = 1418809964. Its totient is φ = 100800000.

The previous prime is 386999993. The next prime is 387000013. The reversal of 387000000 is 783.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 41 ways as a sum of consecutive naturals, for example, 8999979 + ... + 9000021.

Almost surely, 2^387000000 is an apocalyptic number.

387000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709404982).

387000000 is an abundant number, since it is smaller than the sum of its proper divisors (1031809964).

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

387000000 is an frugal number, since it uses more digits than its factorization.

387000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 387000000 is about 19672.3155729060. The cubic root of 387000000 is about 728.7361631122.

Adding to 387000000 its reverse (783), we get a palindrome (387000783).

The spelling of 387000000 in words is "three hundred eighty-seven million", and thus it is an aban number.