334344421 has 4 divisors (see below), whose sum is σ = 334533100. Its totient is φ = 334155744.

The previous prime is 334344419. The next prime is 334344427. The reversal of 334344421 is 124443433.

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 167573025 + 166771396 = 12945^2 + 12914^2 .

It is a cyclic number.

It is not a de Polignac number, because 334344421 - 2¹ = 334344419 is a prime.

It is a super-2 number, since 2×334344421² = 223572383707650482, 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 334344421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334344427) 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 in 3 ways as a sum of consecutive naturals, for example, 91656 + ... + 95233.

It is an arithmetic number, because the mean of its divisors is an integer number (83633275).

Almost surely, 2^334344421 is an apocalyptic number.

It is an amenable number.

334344421 is a deficient number, since it is larger than the sum of its proper divisors (188679).

334344421 is a wasteful number, since it uses less digits than its factorization.

334344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188678.

The product of its digits is 13824, while the sum is 28.

The square root of 334344421 is about 18285.0873938300. The cubic root of 334344421 is about 694.0616157537.

Adding to 334344421 its reverse (124443433), we get a palindrome (458787854).

The spelling of 334344421 in words is "three hundred thirty-four million, three hundred forty-four thousand, four hundred twenty-one".