346651609 has 4 divisors (see below), whose sum is σ = 352527120. Its totient is φ = 340776100.

The previous prime is 346651603. The next prime is 346651619. The reversal of 346651609 is 906156643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 346651609 - 2⁵ = 346651577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346651603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937667 + ... + 2937784.

It is an arithmetic number, because the mean of its divisors is an integer number (88131780).

Almost surely, 2^346651609 is an apocalyptic number.

It is an amenable number.

346651609 is a deficient number, since it is larger than the sum of its proper divisors (5875511).

346651609 is an equidigital number, since it uses as much as digits as its factorization.

346651609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875510.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 346651609 is about 18618.5823574192. The cubic root of 346651609 is about 702.4753242516.

The spelling of 346651609 in words is "three hundred forty-six million, six hundred fifty-one thousand, six hundred nine".