387886 has 4 divisors (see below), whose sum is σ = 581832. Its totient is φ = 193942.

The previous prime is 387857. The next prime is 387911. The reversal of 387886 is 688783.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96970 + ... + 96973.

It is an arithmetic number, because the mean of its divisors is an integer number (145458).

2³⁸⁷⁸⁸⁶ is an apocalyptic number.

387886 is a deficient number, since it is larger than the sum of its proper divisors (193946).

387886 is a wasteful number, since it uses less digits than its factorization.

387886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193945.

The product of its digits is 64512, while the sum is 40.

The square root of 387886 is about 622.8049453882. The cubic root of 387886 is about 72.9291863491.

The spelling of 387886 in words is "three hundred eighty-seven thousand, eight hundred eighty-six".