335344421 has 4 divisors (see below), whose sum is σ = 335624844. Its totient is φ = 335064000.

The previous prime is 335344381. The next prime is 335344441. The reversal of 335344421 is 124443533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124443533 = 401 ⋅310333.

It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 325802500 = 3089^2 + 18050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-335344421 is a prime.

It is a super-2 number, since 2×335344421² = 224911761391650482, 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 (335344441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138410 + ... + 140811.

It is an arithmetic number, because the mean of its divisors is an integer number (83906211).

Almost surely, 2^335344421 is an apocalyptic number.

It is an amenable number.

335344421 is a deficient number, since it is larger than the sum of its proper divisors (280423).

335344421 is a wasteful number, since it uses less digits than its factorization.

335344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280422.

The product of its digits is 17280, while the sum is 29.

The square root of 335344421 is about 18312.4116653160. The cubic root of 335344421 is about 694.7528897384.

Adding to 335344421 its reverse (124443533), we get a palindrome (459787954).

It can be divided in two parts, 3353 and 44421, that added together give a palindrome (47774).

The spelling of 335344421 in words is "three hundred thirty-five million, three hundred forty-four thousand, four hundred twenty-one".