384661736 has 16 divisors (see below), whose sum is σ = 723906240. Its totient is φ = 191620080.

The previous prime is 384661727. The next prime is 384661777. The reversal of 384661736 is 637166483.

It is a super-2 number, since 2×384661736² = 295929302285067392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86546 + ... + 90881.

It is an arithmetic number, because the mean of its divisors is an integer number (45244140).

Almost surely, 2^384661736 is an apocalyptic number.

It is an amenable number.

384661736 is a deficient number, since it is larger than the sum of its proper divisors (339244504).

384661736 is a wasteful number, since it uses less digits than its factorization.

384661736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177704 (or 177700 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 384661736 is about 19612.7952112900. The cubic root of 384661736 is about 727.2655163187.

The spelling of 384661736 in words is "three hundred eighty-four million, six hundred sixty-one thousand, seven hundred thirty-six".