387851000 has 64 divisors (see below), whose sum is σ = 912600000. Its totient is φ = 154281600.

The previous prime is 387850999. The next prime is 387851041. The reversal of 387851000 is 158783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198026 + ... + 199974.

It is an arithmetic number, because the mean of its divisors is an integer number (14259375).

Almost surely, 2^387851000 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 387851000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456300000).

387851000 is an abundant number, since it is smaller than the sum of its proper divisors (524749000).

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

387851000 is a wasteful number, since it uses less digits than its factorization.

387851000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 387851000 is about 19693.9330759501. The cubic root of 387851000 is about 729.2699275076.

The spelling of 387851000 in words is "three hundred eighty-seven million, eight hundred fifty-one thousand".