384657746 has 16 divisors (see below), whose sum is σ = 631235808. Its totient is φ = 174345600.

The previous prime is 384657739. The next prime is 384657781. The reversal of 384657746 is 647756483.

It is a junction number, because it is equal to n+sod(n) for n = 384657694 and 384657703.

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, 17000 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (39452238).

Almost surely, 2^384657746 is an apocalyptic number.

384657746 is a deficient number, since it is larger than the sum of its proper divisors (246578062).

384657746 is a wasteful number, since it uses less digits than its factorization.

384657746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49897.

The product of its digits is 3386880, while the sum is 50.

The square root of 384657746 is about 19612.6934917160. The cubic root of 384657746 is about 727.2630017288.

The spelling of 384657746 in words is "three hundred eighty-four million, six hundred fifty-seven thousand, seven hundred forty-six".