343624609 has 2 divisors, whose sum is σ = 343624610. Its totient is φ = 343624608.

The previous prime is 343624597. The next prime is 343624637. The reversal of 343624609 is 906426343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257506209 + 86118400 = 16047^2 + 9280^2 .

It is a cyclic number.

It is not a de Polignac number, because 343624609 - 2¹³ = 343616417 is a prime.

It is not a weakly prime, because it can be changed into another prime (343624679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171812304 + 171812305.

It is an arithmetic number, because the mean of its divisors is an integer number (171812305).

Almost surely, 2^343624609 is an apocalyptic number.

It is an amenable number.

343624609 is a deficient number, since it is larger than the sum of its proper divisors (1).

343624609 is an equidigital number, since it uses as much as digits as its factorization.

343624609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 343624609 is about 18537.1143655101. The cubic root of 343624609 is about 700.4246464230.

The spelling of 343624609 in words is "three hundred forty-three million, six hundred twenty-four thousand, six hundred nine".