384906620 has 48 divisors (see below), whose sum is σ = 936811008. Its totient is φ = 130105920.

The previous prime is 384906581. The next prime is 384906629. The reversal of 384906620 is 26609483.

It is a super-3 number, since 3×384906620³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384906629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9422 + ... + 29301.

It is an arithmetic number, because the mean of its divisors is an integer number (19516896).

Almost surely, 2^384906620 is an apocalyptic number.

It is an amenable number.

384906620 is an abundant number, since it is smaller than the sum of its proper divisors (551904388).

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

384906620 is a wasteful number, since it uses less digits than its factorization.

384906620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38810 (or 38808 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 384906620 is about 19619.0371833074. The cubic root of 384906620 is about 727.4198145780.

The spelling of 384906620 in words is "three hundred eighty-four million, nine hundred six thousand, six hundred twenty".