387441500 has 48 divisors (see below), whose sum is σ = 860111616. Its totient is φ = 152424000.

The previous prime is 387441499. The next prime is 387441529. The reversal of 387441500 is 5144783.

It is a super-2 number, since 2×387441500² = 300221831844500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24149 + ... + 36851.

It is an arithmetic number, because the mean of its divisors is an integer number (17918992).

Almost surely, 2^387441500 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 387441500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430055808).

387441500 is an abundant number, since it is smaller than the sum of its proper divisors (472670116).

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

387441500 is a wasteful number, since it uses less digits than its factorization.

387441500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12783 (or 12771 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 387441500 is about 19683.5337274586. The cubic root of 387441500 is about 729.0131783962.

The spelling of 387441500 in words is "three hundred eighty-seven million, four hundred forty-one thousand, five hundred".