384222839 has 16 divisors (see below), whose sum is σ = 515880960. Its totient is φ = 276363360.

The previous prime is 384222829. The next prime is 384222877. The reversal of 384222839 is 938222483.

It is not a de Polignac number, because 384222839 - 2²⁴ = 367445623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384222796 and 384222805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384222829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190919 + ... + 192920.

It is an arithmetic number, because the mean of its divisors is an integer number (32242560).

Almost surely, 2^384222839 is an apocalyptic number.

384222839 is a deficient number, since it is larger than the sum of its proper divisors (131658121).

384222839 is a wasteful number, since it uses less digits than its factorization.

384222839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383870.

The product of its digits is 165888, while the sum is 41.

The square root of 384222839 is about 19601.6029701655. The cubic root of 384222839 is about 726.9888090195.

The spelling of 384222839 in words is "three hundred eighty-four million, two hundred twenty-two thousand, eight hundred thirty-nine".