216838096 has 20 divisors (see below), whose sum is σ = 421766532. Its totient is φ = 107995136.

The previous prime is 216838079. The next prime is 216838099. The reversal of 216838096 is 690838612.

It can be written as a sum of positive squares in 2 ways, for example, as 147282496 + 69555600 = 12136^2 + 8340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216838099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22255 + ... + 30478.

Almost surely, 2^216838096 is an apocalyptic number.

It is an amenable number.

216838096 is a deficient number, since it is larger than the sum of its proper divisors (204928436).

216838096 is a wasteful number, since it uses less digits than its factorization.

216838096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52998 (or 52992 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 216838096 is about 14725.4234574086. The cubic root of 216838096 is about 600.7750133077.

The spelling of 216838096 in words is "two hundred sixteen million, eight hundred thirty-eight thousand, ninety-six".