386687 has 8 divisors (see below), whose sum is σ = 454176. Its totient is φ = 322272.

The previous prime is 386677. The next prime is 386689. The reversal of 386687 is 786683.

386687 = T₂₂₈ + T₂₂₉ + ... + T₂₄₁.

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

It is a cyclic number.

It is not a de Polignac number, because 386687 - 2⁸ = 386431 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 386687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386689) 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, 488 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (56772).

2³⁸⁶⁶⁸⁷ is an apocalyptic number.

386687 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

386687 is a deficient number, since it is larger than the sum of its proper divisors (67489).

386687 is a wasteful number, since it uses less digits than its factorization.

386687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its digits is 48384, while the sum is 38.

The square root of 386687 is about 621.8416197071. The cubic root of 386687 is about 72.8539646368.

The spelling of 386687 in words is "three hundred eighty-six thousand, six hundred eighty-seven".