384138948 has 24 divisors (see below), whose sum is σ = 896643328. Its totient is φ = 128000736.

The previous prime is 384138947. The next prime is 384138961. The reversal of 384138948 is 849831483.

It is a junction number, because it is equal to n+sod(n) for n = 384138897 and 384138906.

It is not an unprimeable number, because it can be changed into a prime (384138947) 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 7 ways as a sum of consecutive naturals, for example, 57090 + ... + 63462.

Almost surely, 2^384138948 is an apocalyptic number.

It is an amenable number.

384138948 is an abundant number, since it is smaller than the sum of its proper divisors (512504380).

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

384138948 is a wasteful number, since it uses less digits than its factorization.

384138948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403 (or 11401 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 384138948 is about 19599.4629518260. The cubic root of 384138948 is about 726.9358950582.

The spelling of 384138948 in words is "three hundred eighty-four million, one hundred thirty-eight thousand, nine hundred forty-eight".