346161643 has 4 divisors (see below), whose sum is σ = 349589088. Its totient is φ = 342734200.

The previous prime is 346161631. The next prime is 346161689.

346161643 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346161643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346161599 and 346161608.

It is not an unprimeable number, because it can be changed into a prime (346161043) 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, 1713571 + ... + 1713772.

It is an arithmetic number, because the mean of its divisors is an integer number (87397272).

Almost surely, 2^346161643 is an apocalyptic number.

346161643 is a deficient number, since it is larger than the sum of its proper divisors (3427445).

346161643 is a wasteful number, since it uses less digits than its factorization.

346161643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427444.

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

The square root of 346161643 is about 18605.4197211458. The cubic root of 346161643 is about 702.1442028365.

The spelling of 346161643 in words is "three hundred forty-six million, one hundred sixty-one thousand, six hundred forty-three".