384637040 has 40 divisors (see below), whose sum is σ = 898067520. Its totient is φ = 153203456.

The previous prime is 384637039. The next prime is 384637051. The reversal of 384637040 is 40736483.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 9062 + ... + 29178.

It is an arithmetic number, because the mean of its divisors is an integer number (22451688).

Almost surely, 2^384637040 is an apocalyptic number.

It is an amenable number.

384637040 is an abundant number, since it is smaller than the sum of its proper divisors (513430480).

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

384637040 is a wasteful number, since it uses less digits than its factorization.

384637040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369 (or 20363 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 384637040 is about 19612.1656121908. The cubic root of 384637040 is about 727.2499520519.

The spelling of 384637040 in words is "three hundred eighty-four million, six hundred thirty-seven thousand, forty".