384661464 has 32 divisors (see below), whose sum is σ = 1049077440. Its totient is φ = 116564000.

The previous prime is 384661463. The next prime is 384661493. The reversal of 384661464 is 464166483.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384661463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728262 + ... + 728789.

It is an arithmetic number, because the mean of its divisors is an integer number (32783670).

Almost surely, 2^384661464 is an apocalyptic number.

It is an amenable number.

384661464 is an abundant number, since it is smaller than the sum of its proper divisors (664415976).

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

384661464 is a wasteful number, since it uses less digits than its factorization.

384661464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457071 (or 1457067 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 384661464 is about 19612.7882770401. The cubic root of 384661464 is about 727.2653448985.

The spelling of 384661464 in words is "three hundred eighty-four million, six hundred sixty-one thousand, four hundred sixty-four".