405199 has 2 divisors, whose sum is σ = 405200. Its totient is φ = 405198.

The previous prime is 405179. The next prime is 405211. The reversal of 405199 is 991504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405199 - 2⁷ = 405071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405179) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202599 + 202600.

It is an arithmetic number, because the mean of its divisors is an integer number (202600).

2⁴⁰⁵¹⁹⁹ is an apocalyptic number.

405199 is a deficient number, since it is larger than the sum of its proper divisors (1).

405199 is an equidigital number, since it uses as much as digits as its factorization.

405199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 405199 is about 636.5524330328. The cubic root of 405199 is about 73.9984781766.

The spelling of 405199 in words is "four hundred five thousand, one hundred ninety-nine".