387858 has 16 divisors (see below), whose sum is σ = 783360. Its totient is φ = 128016.

The previous prime is 387857. The next prime is 387911. The reversal of 387858 is 858783.

It is an alternating number because its digits alternate between odd and even.

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, 508 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2³⁸⁷⁸⁵⁸ is an apocalyptic number.

387858 is an abundant number, since it is smaller than the sum of its proper divisors (395502).

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

387858 is a wasteful number, since it uses less digits than its factorization.

387858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 53760, while the sum is 39.

The square root of 387858 is about 622.7824660345. The cubic root of 387858 is about 72.9274314810.

The spelling of 387858 in words is "three hundred eighty-seven thousand, eight hundred fifty-eight".