334213405 has 4 divisors (see below), whose sum is σ = 401056092. Its totient is φ = 267370720.

The previous prime is 334213393. The next prime is 334213441. The reversal of 334213405 is 504312433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52678564 + 281534841 = 7258^2 + 16779^2 .

It is not a de Polignac number, because 334213405 - 2¹⁹ = 333689117 is a prime.

It is a super-2 number, since 2×334213405² = 223397200163388050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 334213405.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 33421336 + ... + 33421345.

It is an arithmetic number, because the mean of its divisors is an integer number (100264023).

Almost surely, 2^334213405 is an apocalyptic number.

It is an amenable number.

334213405 is a deficient number, since it is larger than the sum of its proper divisors (66842687).

334213405 is an equidigital number, since it uses as much as digits as its factorization.

334213405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66842686.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 334213405 is about 18281.5044512206. The cubic root of 334213405 is about 693.9709457228.

Adding to 334213405 its reverse (504312433), we get a palindrome (838525838).

The spelling of 334213405 in words is "three hundred thirty-four million, two hundred thirteen thousand, four hundred five".