387863 has 8 divisors (see below), whose sum is σ = 450432. Its totient is φ = 327096.

The previous prime is 387857. The next prime is 387911. The reversal of 387863 is 368783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387863 - 2⁶ = 387799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387853) 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, 56 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (56304).

2³⁸⁷⁸⁶³ is an apocalyptic number.

387863 is a deficient number, since it is larger than the sum of its proper divisors (62569).

387863 is an equidigital number, since it uses as much as digits as its factorization.

387863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its digits is 24192, while the sum is 35.

The square root of 387863 is about 622.7864802643. The cubic root of 387863 is about 72.9277448565.

The spelling of 387863 in words is "three hundred eighty-seven thousand, eight hundred sixty-three".