216002384 has 80 divisors (see below), whose sum is σ = 474886272. Its totient is φ = 94431744.

The previous prime is 216002383. The next prime is 216002387. The reversal of 216002384 is 483200612.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216002383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779654 + ... + 779930.

Almost surely, 2^216002384 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 216002384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237443136).

216002384 is an abundant number, since it is smaller than the sum of its proper divisors (258883888).

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

216002384 is a wasteful number, since it uses less digits than its factorization.

216002384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 216002384 is about 14697.0195618023. The cubic root of 216002384 is about 600.0022073993.

Adding to 216002384 its reverse (483200612), we get a palindrome (699202996).

The spelling of 216002384 in words is "two hundred sixteen million, two thousand, three hundred eighty-four".