384847242 has 32 divisors (see below), whose sum is σ = 872531520. Its totient is φ = 112181760.

The previous prime is 384847219. The next prime is 384847259. The reversal of 384847242 is 242748483.

It is a junction number, because it is equal to n+sod(n) for n = 384847194 and 384847203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128359 + ... + 131322.

It is an arithmetic number, because the mean of its divisors is an integer number (27266610).

Almost surely, 2^384847242 is an apocalyptic number.

384847242 is an abundant number, since it is smaller than the sum of its proper divisors (487684278).

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

384847242 is a wasteful number, since it uses less digits than its factorization.

384847242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259718.

The product of its digits is 344064, while the sum is 42.

The square root of 384847242 is about 19617.5238498644. The cubic root of 384847242 is about 727.3824072756.

The spelling of 384847242 in words is "three hundred eighty-four million, eight hundred forty-seven thousand, two hundred forty-two".