386890 has 16 divisors (see below), whose sum is σ = 796032. Its totient is φ = 132624.

The previous prime is 386887. The next prime is 386891. The reversal of 386890 is 98683.

It is not an unprimeable number, because it can be changed into a prime (386891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (49752).

2³⁸⁶⁸⁹⁰ is an apocalyptic number.

386890 is an abundant number, since it is smaller than the sum of its proper divisors (409142).

It is a weird number, because it is abundant, but not a pseudoperfect number.

386890 is a wasteful number, since it uses less digits than its factorization.

386890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 386890 is about 622.0048231324. The cubic root of 386890 is about 72.8667111799.

The spelling of 386890 in words is "three hundred eighty-six thousand, eight hundred ninety".