334432421 has 2 divisors, whose sum is σ = 334432422. Its totient is φ = 334432420.

The previous prime is 334432411. The next prime is 334432447. The reversal of 334432421 is 124234433.

It is an a-pointer prime, because the next prime (334432447) can be obtained adding 334432421 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246804100 + 87628321 = 15710^2 + 9361^2 .

It is an emirp because it is prime and its reverse (124234433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334432421 - 2¹⁴ = 334416037 is a prime.

It is a super-2 number, since 2×334432421² = 223690088431842482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334432411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167216210 + 167216211.

It is an arithmetic number, because the mean of its divisors is an integer number (167216211).

Almost surely, 2^334432421 is an apocalyptic number.

It is an amenable number.

334432421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334432421 is an equidigital number, since it uses as much as digits as its factorization.

334432421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 26.

The square root of 334432421 is about 18287.4935680098. The cubic root of 334432421 is about 694.1225031307.

Adding to 334432421 its reverse (124234433), we get a palindrome (458666854).

The spelling of 334432421 in words is "three hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty-one".