384061220 has 12 divisors (see below), whose sum is σ = 806528604. Its totient is φ = 153624480.

The previous prime is 384061213. The next prime is 384061241. The reversal of 384061220 is 22160483.

It can be written as a sum of positive squares in 2 ways, for example, as 195328576 + 188732644 = 13976^2 + 13738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 384061220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9601511 + ... + 9601550.

It is an arithmetic number, because the mean of its divisors is an integer number (67210717).

Almost surely, 2^384061220 is an apocalyptic number.

It is an amenable number.

384061220 is an abundant number, since it is smaller than the sum of its proper divisors (422467384).

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

384061220 is a wasteful number, since it uses less digits than its factorization.

384061220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19203070 (or 19203068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 384061220 is about 19597.4799400331. The cubic root of 384061220 is about 726.8868615118.

The spelling of 384061220 in words is "three hundred eighty-four million, sixty-one thousand, two hundred twenty".