335340421 has 8 divisors (see below), whose sum is σ = 361681880. Its totient is φ = 309076992.

The previous prime is 335340377. The next prime is 335340433. The reversal of 335340421 is 124043533.

It can be written as a sum of positive squares in 4 ways, for example, as 3189796 + 332150625 = 1786^2 + 18225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 335340421 - 2¹³ = 335332229 is a prime.

It is a super-2 number, since 2×335340421² = 224906395912914482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335340451) 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 7 ways as a sum of consecutive naturals, for example, 10416 + ... + 27913.

It is an arithmetic number, because the mean of its divisors is an integer number (45210235).

Almost surely, 2^335340421 is an apocalyptic number.

It is an amenable number.

335340421 is a deficient number, since it is larger than the sum of its proper divisors (26341459).

335340421 is a wasteful number, since it uses less digits than its factorization.

335340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39015.

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

The square root of 335340421 is about 18312.3024494464. The cubic root of 335340421 is about 694.7501273819.

Adding to 335340421 its reverse (124043533), we get a palindrome (459383954).

The spelling of 335340421 in words is "three hundred thirty-five million, three hundred forty thousand, four hundred twenty-one".