216937296 has 30 divisors (see below), whose sum is σ = 607123530. Its totient is φ = 72312384.

The previous prime is 216937291. The next prime is 216937297. The reversal of 216937296 is 692739612.

It is a happy number.

216937296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 215032896 + 1904400 = 14664^2 + 1380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216937291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753111 + ... + 753398.

It is an arithmetic number, because the mean of its divisors is an integer number (20237451).

Almost surely, 2^216937296 is an apocalyptic number.

It is an amenable number.

216937296 is an abundant number, since it is smaller than the sum of its proper divisors (390186234).

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

216937296 is a wasteful number, since it uses less digits than its factorization.

216937296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506523 (or 1506514 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 216937296 is about 14728.7913964453. The cubic root of 216937296 is about 600.8666143633.

The spelling of 216937296 in words is "two hundred sixteen million, nine hundred thirty-seven thousand, two hundred ninety-six".