384752646 has 16 divisors (see below), whose sum is σ = 855006000. Its totient is φ = 128250864.

The previous prime is 384752639. The next prime is 384752647. The reversal of 384752646 is 646257483.

384752646 is a `hidden beast` number, since 3 + 84 + 7 + 526 + 46 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384752647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562471 + ... + 3562578.

It is an arithmetic number, because the mean of its divisors is an integer number (53437875).

Almost surely, 2^384752646 is an apocalyptic number.

384752646 is an abundant number, since it is smaller than the sum of its proper divisors (470253354).

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

384752646 is a wasteful number, since it uses less digits than its factorization.

384752646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125060 (or 7125054 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 384752646 is about 19615.1126940428. The cubic root of 384752646 is about 727.3228051814.

The spelling of 384752646 in words is "three hundred eighty-four million, seven hundred fifty-two thousand, six hundred forty-six".