768387 has 4 divisors (see below), whose sum is σ = 1024520. Its totient is φ = 512256.

The previous prime is 768377. The next prime is 768389. The reversal of 768387 is 783867.

768387 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 768387 - 2⁴ = 768371 is a prime.

It is a D-number.

It is a Duffinian number.

768387 is strictly pandigital in base 7.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (768389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128062 + ... + 128067.

It is an arithmetic number, because the mean of its divisors is an integer number (256130).

2⁷⁶⁸³⁸⁷ is an apocalyptic number.

768387 is a deficient number, since it is larger than the sum of its proper divisors (256133).

768387 is a wasteful number, since it uses less digits than its factorization.

768387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256132.

The product of its digits is 56448, while the sum is 39.

The square root of 768387 is about 876.5768648556. The cubic root of 768387 is about 91.5925189189.

The spelling of 768387 in words is "seven hundred sixty-eight thousand, three hundred eighty-seven".