346566641 has 4 divisors (see below), whose sum is σ = 366952932. Its totient is φ = 326180352.

The previous prime is 346566637. The next prime is 346566643. The reversal of 346566641 is 146665643.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148742416 + 197824225 = 12196^2 + 14065^2 .

It is a cyclic number.

It is not a de Polignac number, because 346566641 - 2² = 346566637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346566643) 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, 10193120 + ... + 10193153.

It is an arithmetic number, because the mean of its divisors is an integer number (91738233).

Almost surely, 2^346566641 is an apocalyptic number.

It is an amenable number.

346566641 is a deficient number, since it is larger than the sum of its proper divisors (20386291).

346566641 is a wasteful number, since it uses less digits than its factorization.

346566641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386290.

The product of its digits is 311040, while the sum is 41.

The square root of 346566641 is about 18616.3004111988. The cubic root of 346566641 is about 702.4179248346.

The spelling of 346566641 in words is "three hundred forty-six million, five hundred sixty-six thousand, six hundred forty-one".