384865580 has 24 divisors (see below), whose sum is σ = 881692560. Its totient is φ = 139951040.

The previous prime is 384865541. The next prime is 384865597. The reversal of 384865580 is 85568483.

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, 874475 + ... + 874914.

It is an arithmetic number, because the mean of its divisors is an integer number (36737190).

Almost surely, 2^384865580 is an apocalyptic number.

It is an amenable number.

384865580 is an abundant number, since it is smaller than the sum of its proper divisors (496826980).

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

384865580 is a wasteful number, since it uses less digits than its factorization.

384865580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749409 (or 1749407 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 384865580 is about 19617.9912325396. The cubic root of 384865580 is about 727.3939603675.

The spelling of 384865580 in words is "three hundred eighty-four million, eight hundred sixty-five thousand, five hundred eighty".