346924321 has 8 divisors (see below), whose sum is σ = 377260200. Its totient is φ = 317691648.

The previous prime is 346924271. The next prime is 346924337. The reversal of 346924321 is 123429643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66830625 + 280093696 = 8175^2 + 16736^2 .

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

It is not a de Polignac number, because 346924321 - 2¹⁵ = 346891553 is a prime.

It is a super-2 number, since 2×346924321² = 240712969002622082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346924621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275146 + ... + 276403.

It is an arithmetic number, because the mean of its divisors is an integer number (47157525).

Almost surely, 2^346924321 is an apocalyptic number.

It is an amenable number.

346924321 is a deficient number, since it is larger than the sum of its proper divisors (30335879).

346924321 is a wasteful number, since it uses less digits than its factorization.

346924321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551603.

The product of its digits is 31104, while the sum is 34.

The square root of 346924321 is about 18625.9045686377. The cubic root of 346924321 is about 702.6594892080.

The spelling of 346924321 in words is "three hundred forty-six million, nine hundred twenty-four thousand, three hundred twenty-one".