346943329 has 4 divisors (see below), whose sum is σ = 347092884. Its totient is φ = 346793776.

The previous prime is 346943323. The next prime is 346943341. The reversal of 346943329 is 923349643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 923349643 = 41 ⋅22520723.

It can be written as a sum of positive squares in 2 ways, for example, as 72709729 + 274233600 = 8527^2 + 16560^2 .

It is a cyclic number.

It is not a de Polignac number, because 346943329 - 2⁵ = 346943297 is a prime.

It is a super-3 number, since 3×346943329³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346943323) 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 3 ways as a sum of consecutive naturals, for example, 71242 + ... + 75955.

It is an arithmetic number, because the mean of its divisors is an integer number (86773221).

Almost surely, 2^346943329 is an apocalyptic number.

It is an amenable number.

346943329 is a deficient number, since it is larger than the sum of its proper divisors (149555).

346943329 is a wasteful number, since it uses less digits than its factorization.

346943329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149554.

The product of its digits is 419904, while the sum is 43.

The square root of 346943329 is about 18626.4148187460. The cubic root of 346943329 is about 702.6723218892.

The spelling of 346943329 in words is "three hundred forty-six million, nine hundred forty-three thousand, three hundred twenty-nine".