416840899 has 2 divisors, whose sum is σ = 416840900. Its totient is φ = 416840898.

The previous prime is 416840887. The next prime is 416840909. The reversal of 416840899 is 998048614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416840899 - 2⁹ = 416840387 is a prime.

It is not a weakly prime, because it can be changed into another prime (416840819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208420449 + 208420450.

It is an arithmetic number, because the mean of its divisors is an integer number (208420450).

Almost surely, 2^416840899 is an apocalyptic number.

416840899 is a deficient number, since it is larger than the sum of its proper divisors (1).

416840899 is an equidigital number, since it uses as much as digits as its factorization.

416840899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 416840899 is about 20416.6818802664. The cubic root of 416840899 is about 747.0048839992.

The spelling of 416840899 in words is "four hundred sixteen million, eight hundred forty thousand, eight hundred ninety-nine".