916806229 has 2 divisors, whose sum is σ = 916806230. Its totient is φ = 916806228.

The previous prime is 916806223. The next prime is 916806323. The reversal of 916806229 is 922608619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470456100 + 446350129 = 21690^2 + 21127^2 .

It is a cyclic number.

It is not a de Polignac number, because 916806229 - 2⁹ = 916805717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916806223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458403114 + 458403115.

It is an arithmetic number, because the mean of its divisors is an integer number (458403115).

Almost surely, 2^916806229 is an apocalyptic number.

It is an amenable number.

916806229 is a deficient number, since it is larger than the sum of its proper divisors (1).

916806229 is an equidigital number, since it uses as much as digits as its factorization.

916806229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 916806229 is about 30278.8082493350. The cubic root of 916806229 is about 971.4620771799.

The spelling of 916806229 in words is "nine hundred sixteen million, eight hundred six thousand, two hundred twenty-nine".