346886609 has 8 divisors (see below), whose sum is σ = 358496712. Its totient is φ = 335426560.

The previous prime is 346886599. The next prime is 346886611. The reversal of 346886609 is 906688643.

It can be written as a sum of positive squares in 4 ways, for example, as 81848209 + 265038400 = 9047^2 + 16280^2 .

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 346886609 - 2¹⁶ = 346821073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346886669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32804 + ... + 42069.

It is an arithmetic number, because the mean of its divisors is an integer number (44812089).

Almost surely, 2^346886609 is an apocalyptic number.

It is an amenable number.

346886609 is a deficient number, since it is larger than the sum of its proper divisors (11610103).

346886609 is a wasteful number, since it uses less digits than its factorization.

346886609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75027.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 346886609 is about 18624.8921876074. The cubic root of 346886609 is about 702.6340276945.

The spelling of 346886609 in words is "three hundred forty-six million, eight hundred eighty-six thousand, six hundred nine".