346643242 has 16 divisors (see below), whose sum is σ = 569786112. Its totient is φ = 156856320.

The previous prime is 346643197. The next prime is 346643257. The reversal of 346643242 is 242346643.

346643242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 346643198 and 346643207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30423 + ... + 40234.

It is an arithmetic number, because the mean of its divisors is an integer number (35611632).

Almost surely, 2^346643242 is an apocalyptic number.

346643242 is a deficient number, since it is larger than the sum of its proper divisors (223142870).

346643242 is a wasteful number, since it uses less digits than its factorization.

346643242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70893.

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

The square root of 346643242 is about 18618.3576611902. The cubic root of 346643242 is about 702.4696724115.

Adding to 346643242 its reverse (242346643), we get a palindrome (588989885).

The spelling of 346643242 in words is "three hundred forty-six million, six hundred forty-three thousand, two hundred forty-two".