816242306 has 16 divisors (see below), whose sum is σ = 1343055168. Its totient is φ = 368967600.

The previous prime is 816242303. The next prime is 816242321. The reversal of 816242306 is 603242618.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (816242303) 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, 98510 + ... + 106473.

It is an arithmetic number, because the mean of its divisors is an integer number (83940948).

Almost surely, 2^816242306 is an apocalyptic number.

816242306 is a deficient number, since it is larger than the sum of its proper divisors (526812862).

816242306 is a wasteful number, since it uses less digits than its factorization.

816242306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205177.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 816242306 is about 28569.9546026941. The cubic root of 816242306 is about 934.5582310668.

The spelling of 816242306 in words is "eight hundred sixteen million, two hundred forty-two thousand, three hundred six".