346040665 has 8 divisors (see below), whose sum is σ = 419059080. Its totient is φ = 274292352.

The previous prime is 346040641. The next prime is 346040671. The reversal of 346040665 is 566040643.

It can be written as a sum of positive squares in 4 ways, for example, as 106007616 + 240033049 = 10296^2 + 15493^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 346040665 - 2¹¹ = 346038617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346040665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316924 + ... + 318013.

It is an arithmetic number, because the mean of its divisors is an integer number (52382385).

Almost surely, 2^346040665 is an apocalyptic number.

It is an amenable number.

346040665 is a deficient number, since it is larger than the sum of its proper divisors (73018415).

346040665 is a wasteful number, since it uses less digits than its factorization.

346040665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635051.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 346040665 is about 18602.1682875949. The cubic root of 346040665 is about 702.0623972210.

The spelling of 346040665 in words is "three hundred forty-six million, forty thousand, six hundred sixty-five".