416806823 has 2 divisors, whose sum is σ = 416806824. Its totient is φ = 416806822.

The previous prime is 416806771. The next prime is 416806843. The reversal of 416806823 is 328608614.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416806823 - 2¹⁶ = 416741287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416806843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208403411 + 208403412.

It is an arithmetic number, because the mean of its divisors is an integer number (208403412).

Almost surely, 2^416806823 is an apocalyptic number.

416806823 is a deficient number, since it is larger than the sum of its proper divisors (1).

416806823 is an equidigital number, since it uses as much as digits as its factorization.

416806823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 416806823 is about 20415.8473495469. The cubic root of 416806823 is about 746.9845280056.

The spelling of 416806823 in words is "four hundred sixteen million, eight hundred six thousand, eight hundred twenty-three".