419390399 has 2 divisors, whose sum is σ = 419390400. Its totient is φ = 419390398.

The previous prime is 419390393. The next prime is 419390407. The reversal of 419390399 is 993093914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 419390399 - 2²⁰ = 418341823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419390393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209695199 + 209695200.

It is an arithmetic number, because the mean of its divisors is an integer number (209695200).

Almost surely, 2^419390399 is an apocalyptic number.

419390399 is a deficient number, since it is larger than the sum of its proper divisors (1).

419390399 is an equidigital number, since it uses as much as digits as its factorization.

419390399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 419390399 is about 20479.0233898006. The cubic root of 419390399 is about 748.5247439138.

The spelling of 419390399 in words is "four hundred nineteen million, three hundred ninety thousand, three hundred ninety-nine".