386870 has 16 divisors (see below), whose sum is σ = 759888. Its totient is φ = 140640.

The previous prime is 386851. The next prime is 386887. The reversal of 386870 is 78683.

386870 = T₁₁₀ + T₁₁₁ + ... + T₁₅₃.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (47493).

2³⁸⁶⁸⁷⁰ is an apocalyptic number.

386870 is a deficient number, since it is larger than the sum of its proper divisors (373018).

386870 is a wasteful number, since it uses less digits than its factorization.

386870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535.

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

The square root of 386870 is about 621.9887458789. The cubic root of 386870 is about 72.8654555609.

The spelling of 386870 in words is "three hundred eighty-six thousand, eight hundred seventy".