387806 has 8 divisors (see below), whose sum is σ = 588000. Its totient is φ = 191808.

The previous prime is 387799. The next prime is 387839. The reversal of 387806 is 608783.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

387806 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2³⁸⁷⁸⁰⁶ is an apocalyptic number.

387806 is a deficient number, since it is larger than the sum of its proper divisors (200194).

387806 is a wasteful number, since it uses less digits than its factorization.

387806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 387806 is about 622.7407165105. The cubic root of 387806 is about 72.9241722161.

The spelling of 387806 in words is "three hundred eighty-seven thousand, eight hundred six".