386001820 has 12 divisors (see below), whose sum is σ = 810603864. Its totient is φ = 154400720.

The previous prime is 386001817. The next prime is 386001823. The reversal of 386001820 is 28100683.

It is an interprime number because it is at equal distance from previous prime (386001817) and next prime (386001823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386001823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9650026 + ... + 9650065.

It is an arithmetic number, because the mean of its divisors is an integer number (67550322).

Almost surely, 2^386001820 is an apocalyptic number.

It is an amenable number.

386001820 is an abundant number, since it is smaller than the sum of its proper divisors (424602044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386001820 is a wasteful number, since it uses less digits than its factorization.

386001820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300100 (or 19300098 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 386001820 is about 19646.9290221144. The cubic root of 386001820 is about 728.1090863180.

The spelling of 386001820 in words is "three hundred eighty-six million, one thousand, eight hundred twenty".