216286296 has 32 divisors (see below), whose sum is σ = 564226560. Its totient is φ = 68960672.

The previous prime is 216286261. The next prime is 216286303. The reversal of 216286296 is 692682612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195360 + ... + 196463.

It is an arithmetic number, because the mean of its divisors is an integer number (17632080).

Almost surely, 2^216286296 is an apocalyptic number.

It is an amenable number.

216286296 is an abundant number, since it is smaller than the sum of its proper divisors (347940264).

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

216286296 is a wasteful number, since it uses less digits than its factorization.

216286296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391855 (or 391851 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 216286296 is about 14706.6752190969. The cubic root of 216286296 is about 600.2649718549.

The spelling of 216286296 in words is "two hundred sixteen million, two hundred eighty-six thousand, two hundred ninety-six".