387760 has 40 divisors (see below), whose sum is σ = 932976. Its totient is φ = 149760.

The previous prime is 387749. The next prime is 387763. The reversal of 387760 is 67783.

387760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (387763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 3025.

2³⁸⁷⁷⁶⁰ 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 387760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466488).

387760 is an abundant number, since it is smaller than the sum of its proper divisors (545216).

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

387760 is a wasteful number, since it uses less digits than its factorization.

387760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 387760 is about 622.7037819060. The cubic root of 387760 is about 72.9212887773.

The spelling of 387760 in words is "three hundred eighty-seven thousand, seven hundred sixty".