384564844 has 12 divisors (see below), whose sum is σ = 675287424. Its totient is φ = 191625584.

The previous prime is 384564841. The next prime is 384564847. The reversal of 384564844 is 448465483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (384564841) and next prime (384564847).

It is a junction number, because it is equal to n+sod(n) for n = 384564794 and 384564803.

It is not an unprimeable number, because it can be changed into a prime (384564841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162892 + ... + 165235.

It is an arithmetic number, because the mean of its divisors is an integer number (56273952).

Almost surely, 2^384564844 is an apocalyptic number.

It is an amenable number.

384564844 is a deficient number, since it is larger than the sum of its proper divisors (290722580).

384564844 is a wasteful number, since it uses less digits than its factorization.

384564844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328424 (or 328422 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 46.

The square root of 384564844 is about 19610.3249335650. The cubic root of 384564844 is about 727.2044478342.

The spelling of 384564844 in words is "three hundred eighty-four million, five hundred sixty-four thousand, eight hundred forty-four".