384560986 has 4 divisors (see below), whose sum is σ = 576841482. Its totient is φ = 192280492.

The previous prime is 384560977. The next prime is 384560987. The reversal of 384560986 is 689065483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689065483 = 449 ⋅1534667.

It can be written as a sum of positive squares in only one way, i.e., 348979761 + 35581225 = 18681^2 + 5965^2 .

It is not an unprimeable number, because it can be changed into a prime (384560987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96140245 + ... + 96140248.

Almost surely, 2^384560986 is an apocalyptic number.

384560986 is a deficient number, since it is larger than the sum of its proper divisors (192280496).

384560986 is a wasteful number, since it uses less digits than its factorization.

384560986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192280495.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 384560986 is about 19610.2265667687. The cubic root of 384560986 is about 727.2020160257.

The spelling of 384560986 in words is "three hundred eighty-four million, five hundred sixty thousand, nine hundred eighty-six".