346934729 has 4 divisors (see below), whose sum is σ = 349263300. Its totient is φ = 344606160.

The previous prime is 346934723. The next prime is 346934773. The reversal of 346934729 is 927439643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 927439643 = 13 ⋅71341511.

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 269846329 = 8780^2 + 16427^2 .

It is a cyclic number.

It is not a de Polignac number, because 346934729 - 2⁴ = 346934713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346934723) 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, 1164062 + ... + 1164359.

It is an arithmetic number, because the mean of its divisors is an integer number (87315825).

Almost surely, 2^346934729 is an apocalyptic number.

It is an amenable number.

346934729 is a deficient number, since it is larger than the sum of its proper divisors (2328571).

346934729 is a wasteful number, since it uses less digits than its factorization.

346934729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328570.

The product of its digits is 979776, while the sum is 47.

The square root of 346934729 is about 18626.1839623687. The cubic root of 346934729 is about 702.6665159152. Note that the first 3 decimals are identical.

The spelling of 346934729 in words is "three hundred forty-six million, nine hundred thirty-four thousand, seven hundred twenty-nine".