216313246 has 16 divisors (see below), whose sum is σ = 331139664. Its totient is φ = 105940224.

The previous prime is 216313243. The next prime is 216313247. The reversal of 216313246 is 642313612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216313243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82126 + ... + 84718.

It is an arithmetic number, because the mean of its divisors is an integer number (20696229).

Almost surely, 2^216313246 is an apocalyptic number.

216313246 is a deficient number, since it is larger than the sum of its proper divisors (114826418).

216313246 is a wasteful number, since it uses less digits than its factorization.

216313246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435.

The product of its digits is 5184, while the sum is 28.

The square root of 216313246 is about 14707.5914411572. The cubic root of 216313246 is about 600.2899024976.

Adding to 216313246 its reverse (642313612), we get a palindrome (858626858).

The spelling of 216313246 in words is "two hundred sixteen million, three hundred thirteen thousand, two hundred forty-six".