384687996 has 96 divisors (see below), whose sum is σ = 1124057088. Its totient is φ = 99476160.

The previous prime is 384687991. The next prime is 384688009. The reversal of 384687996 is 699786483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384687991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242221 + ... + 243803.

It is an arithmetic number, because the mean of its divisors is an integer number (11708928).

Almost surely, 2^384687996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384687996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562028544).

384687996 is an abundant number, since it is smaller than the sum of its proper divisors (739369092).

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

384687996 is a wasteful number, since it uses less digits than its factorization.

384687996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 384687996 is about 19613.4646607885. The cubic root of 384687996 is about 727.2820655411.

It can be divided in two parts, 38468 and 7996, that added together give a palindrome (46464).

The spelling of 384687996 in words is "three hundred eighty-four million, six hundred eighty-seven thousand, nine hundred ninety-six".