386347020 has 48 divisors (see below), whose sum is σ = 1084618080. Its totient is φ = 102754816.

The previous prime is 386347009. The next prime is 386347021. The reversal of 386347020 is 20743683.

It is not an unprimeable number, because it can be changed into a prime (386347021) 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 15 ways as a sum of consecutive naturals, for example, 15064 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (22596210).

Almost surely, 2^386347020 is an apocalyptic number.

386347020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

386347020 is an abundant number, since it is smaller than the sum of its proper divisors (698271060).

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

386347020 is a wasteful number, since it uses less digits than its factorization.

386347020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16954 (or 16952 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 386347020 is about 19655.7121468544. The cubic root of 386347020 is about 728.3260700693.

It can be divided in two parts, 38634 and 7020, that added together give a palindrome (45654).

The spelling of 386347020 in words is "three hundred eighty-six million, three hundred forty-seven thousand, twenty".