384496864 has 24 divisors (see below), whose sum is σ = 769812120. Its totient is φ = 188989056.

The previous prime is 384496843. The next prime is 384496867. The reversal of 384496864 is 468694483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384496867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99939 + ... + 103714.

It is an arithmetic number, because the mean of its divisors is an integer number (32075505).

Almost surely, 2^384496864 is an apocalyptic number.

It is an amenable number.

384496864 is an abundant number, since it is smaller than the sum of its proper divisors (385315256).

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

384496864 is a wasteful number, since it uses less digits than its factorization.

384496864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203722 (or 203714 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The square root of 384496864 is about 19608.5915863430. The cubic root of 384496864 is about 727.1615957011.

The spelling of 384496864 in words is "three hundred eighty-four million, four hundred ninety-six thousand, eight hundred sixty-four".