345664346 has 8 divisors (see below), whose sum is σ = 518581920. Its totient is φ = 172803708.

The previous prime is 345664343. The next prime is 345664379. The reversal of 345664346 is 643466543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (345664343) 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, 7715 + ... + 27401.

It is an arithmetic number, because the mean of its divisors is an integer number (64822740).

Almost surely, 2^345664346 is an apocalyptic number.

345664346 is a deficient number, since it is larger than the sum of its proper divisors (172917574).

345664346 is a wasteful number, since it uses less digits than its factorization.

345664346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28468.

The product of its digits is 622080, while the sum is 41.

The square root of 345664346 is about 18592.0506130981. The cubic root of 345664346 is about 701.8078074418.

The spelling of 345664346 in words is "three hundred forty-five million, six hundred sixty-four thousand, three hundred forty-six".