346424213 has 8 divisors (see below), whose sum is σ = 350140056. Its totient is φ = 342720000.

The previous prime is 346424209. The next prime is 346424219. The reversal of 346424213 is 312424643.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 340697764 = 2393^2 + 18458^2 .

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 346424213 - 2² = 346424209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346424219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65363 + ... + 70463.

It is an arithmetic number, because the mean of its divisors is an integer number (43767507).

Almost surely, 2^346424213 is an apocalyptic number.

It is an amenable number.

346424213 is a deficient number, since it is larger than the sum of its proper divisors (3715843).

346424213 is a wasteful number, since it uses less digits than its factorization.

346424213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815.

The product of its digits is 13824, while the sum is 29.

The square root of 346424213 is about 18612.4746608290. The cubic root of 346424213 is about 702.3216877511.

Adding to 346424213 its reverse (312424643), we get a palindrome (658848856).

The spelling of 346424213 in words is "three hundred forty-six million, four hundred twenty-four thousand, two hundred thirteen".