384212385 has 12 divisors (see below), whose sum is σ = 665968212. Its totient is φ = 204913248.

The previous prime is 384212369. The next prime is 384212407. The reversal of 384212385 is 583212483.

It can be written as a sum of positive squares in 2 ways, for example, as 91699776 + 292512609 = 9576^2 + 17103^2 .

It is not a de Polignac number, because 384212385 - 2⁴ = 384212369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4268982 + ... + 4269071.

It is an arithmetic number, because the mean of its divisors is an integer number (55497351).

Almost surely, 2^384212385 is an apocalyptic number.

It is an amenable number.

384212385 is a deficient number, since it is larger than the sum of its proper divisors (281755827).

384212385 is a wasteful number, since it uses less digits than its factorization.

384212385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538064 (or 8538061 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 384212385 is about 19601.3363064869. The cubic root of 384212385 is about 726.9822156149.

The spelling of 384212385 in words is "three hundred eighty-four million, two hundred twelve thousand, three hundred eighty-five".