384332646 has 16 divisors (see below), whose sum is σ = 809121600. Its totient is φ = 121368168.

The previous prime is 384332639. The next prime is 384332671. The reversal of 384332646 is 646233483.

384332646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×384332646² = 295423165562722632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685556 + ... + 1685783.

It is an arithmetic number, because the mean of its divisors is an integer number (50570100).

Almost surely, 2^384332646 is an apocalyptic number.

384332646 is an abundant number, since it is smaller than the sum of its proper divisors (424788954).

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

384332646 is a wasteful number, since it uses less digits than its factorization.

384332646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371363.

The product of its digits is 248832, while the sum is 39.

The square root of 384332646 is about 19604.4037399764. The cubic root of 384332646 is about 727.0580577719.

The spelling of 384332646 in words is "three hundred eighty-four million, three hundred thirty-two thousand, six hundred forty-six".