346242643 has 4 divisors (see below), whose sum is σ = 364465960. Its totient is φ = 328019328.

The previous prime is 346242641. The next prime is 346242653.

346242643 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 not a de Polignac number, because 346242643 - 2¹ = 346242641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346242599 and 346242608.

It is not an unprimeable number, because it can be changed into a prime (346242641) 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, 9111630 + ... + 9111667.

It is an arithmetic number, because the mean of its divisors is an integer number (91116490).

Almost surely, 2^346242643 is an apocalyptic number.

346242643 is a deficient number, since it is larger than the sum of its proper divisors (18223317).

346242643 is a wasteful number, since it uses less digits than its factorization.

346242643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223316.

The product of its digits is 82944, while the sum is 34.

The square root of 346242643 is about 18607.5963788986. The cubic root of 346242643 is about 702.1989645796.

The spelling of 346242643 in words is "three hundred forty-six million, two hundred forty-two thousand, six hundred forty-three".