387750328 has 96 divisors (see below), whose sum is σ = 902880000. Its totient is φ = 155203776.

The previous prime is 387750313. The next prime is 387750359. The reversal of 387750328 is 823057783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588063 + ... + 588721.

It is an arithmetic number, because the mean of its divisors is an integer number (9405000).

Almost surely, 2^387750328 is an apocalyptic number.

387750328 is a gapful number since it is divisible by the number (38) 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 387750328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451440000).

387750328 is an abundant number, since it is smaller than the sum of its proper divisors (515129672).

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

387750328 is a wasteful number, since it uses less digits than its factorization.

387750328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 387750328 is about 19691.3769960356. The cubic root of 387750328 is about 729.2068247394.

The spelling of 387750328 in words is "three hundred eighty-seven million, seven hundred fifty thousand, three hundred twenty-eight".