419438 has 4 divisors (see below), whose sum is σ = 629160. Its totient is φ = 209718.

The previous prime is 419429. The next prime is 419443. The reversal of 419438 is 834914.

419438 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834914 = 2 ⋅417457.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 419438.

It is a congruent number.

It is an unprimeable number.

419438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104858 + ... + 104861.

It is an arithmetic number, because the mean of its divisors is an integer number (157290).

2⁴¹⁹⁴³⁸ is an apocalyptic number.

419438 is a deficient number, since it is larger than the sum of its proper divisors (209722).

419438 is a wasteful number, since it uses less digits than its factorization.

419438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209721.

The product of its digits is 3456, while the sum is 29.

The square root of 419438 is about 647.6403322833. The cubic root of 419438 is about 74.8553062141.

The spelling of 419438 in words is "four hundred nineteen thousand, four hundred thirty-eight".