387317088 has 72 divisors (see below), whose sum is σ = 1108165968. Its totient is φ = 128316672.

The previous prime is 387317081. The next prime is 387317101. The reversal of 387317088 is 880713783.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387317081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44070 + ... + 52122.

It is an arithmetic number, because the mean of its divisors is an integer number (15391194).

Almost surely, 2^387317088 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 387317088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554082984).

387317088 is an abundant number, since it is smaller than the sum of its proper divisors (720848880).

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

387317088 is a wasteful number, since it uses less digits than its factorization.

387317088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236 (or 8225 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 387317088 is about 19680.3731671938. The cubic root of 387317088 is about 728.9351384880.

The spelling of 387317088 in words is "three hundred eighty-seven million, three hundred seventeen thousand, eighty-eight".