384646923 has 12 divisors (see below), whose sum is σ = 574760160. Its totient is φ = 247588656.

The previous prime is 384646921. The next prime is 384646957. The reversal of 384646923 is 329646483.

It is not a de Polignac number, because 384646923 - 2¹ = 384646921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384646921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 736611 + ... + 737132.

It is an arithmetic number, because the mean of its divisors is an integer number (47896680).

Almost surely, 2^384646923 is an apocalyptic number.

384646923 is a deficient number, since it is larger than the sum of its proper divisors (190113237).

384646923 is a wasteful number, since it uses less digits than its factorization.

384646923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473778 (or 1473775 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 384646923 is about 19612.4175715285. The cubic root of 384646923 is about 727.2561807377.

The spelling of 384646923 in words is "three hundred eighty-four million, six hundred forty-six thousand, nine hundred twenty-three".