384539644 has 6 divisors (see below), whose sum is σ = 672944384. Its totient is φ = 192269820.

The previous prime is 384539641. The next prime is 384539671. The reversal of 384539644 is 446935483.

It is a junction number, because it is equal to n+sod(n) for n = 384539594 and 384539603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384539641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48067452 + ... + 48067459.

Almost surely, 2^384539644 is an apocalyptic number.

It is an amenable number.

384539644 is a deficient number, since it is larger than the sum of its proper divisors (288404740).

384539644 is a wasteful number, since it uses less digits than its factorization.

384539644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96134915 (or 96134913 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 384539644 is about 19609.6824043634. The cubic root of 384539644 is about 727.1885632548.

The spelling of 384539644 in words is "three hundred eighty-four million, five hundred thirty-nine thousand, six hundred forty-four".