384392 has 8 divisors (see below), whose sum is σ = 720750. Its totient is φ = 192192.

The previous prime is 384383. The next prime is 384403. The reversal of 384392 is 293483.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 7396 = 614^2 + 86^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384392.

It is an unprimeable number.

384392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24017 + ... + 24032.

2³⁸⁴³⁹² is an apocalyptic number.

It is an amenable number.

384392 is a deficient number, since it is larger than the sum of its proper divisors (336358).

384392 is a wasteful number, since it uses less digits than its factorization.

384392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48055 (or 48051 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 384392 is about 619.9935483535. The cubic root of 384392 is about 72.7095483322.

Subtracting from 384392 its reverse (293483), we obtain a palindrome (90909).

The spelling of 384392 in words is "three hundred eighty-four thousand, three hundred ninety-two".