335342421 has 12 divisors (see below), whose sum is σ = 484617900. Its totient is φ = 223453440.

The previous prime is 335342417. The next prime is 335342429. The reversal of 335342421 is 124243533.

It can be written as a sum of positive squares in 2 ways, for example, as 16719921 + 318622500 = 4089^2 + 17850^2 .

It is not a de Polignac number, because 335342421 - 2² = 335342417 is a prime.

It is a super-2 number, since 2×335342421² = 224909078644282482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335342429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13605 + ... + 29253.

It is an arithmetic number, because the mean of its divisors is an integer number (40384825).

Almost surely, 2^335342421 is an apocalyptic number.

It is an amenable number.

335342421 is a deficient number, since it is larger than the sum of its proper divisors (149275479).

335342421 is a wasteful number, since it uses less digits than its factorization.

335342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036 (or 18033 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 335342421 is about 18312.3570574626. The cubic root of 335342421 is about 694.7515085629.

Adding to 335342421 its reverse (124243533), we get a palindrome (459585954).

The spelling of 335342421 in words is "three hundred thirty-five million, three hundred forty-two thousand, four hundred twenty-one".