406740199 has 2 divisors, whose sum is σ = 406740200. Its totient is φ = 406740198.

The previous prime is 406740193. The next prime is 406740203. The reversal of 406740199 is 991047604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406740199 - 2⁷ = 406740071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406740193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203370099 + 203370100.

It is an arithmetic number, because the mean of its divisors is an integer number (203370100).

Almost surely, 2^406740199 is an apocalyptic number.

406740199 is a deficient number, since it is larger than the sum of its proper divisors (1).

406740199 is an equidigital number, since it uses as much as digits as its factorization.

406740199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 406740199 is about 20167.8010452305. The cubic root of 406740199 is about 740.9217871327.

The spelling of 406740199 in words is "four hundred six million, seven hundred forty thousand, one hundred ninety-nine".