34843609 has 2 divisors, whose sum is σ = 34843610. Its totient is φ = 34843608.

The previous prime is 34843607. The next prime is 34843637. The reversal of 34843609 is 90634843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 8094025 = 5172^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 34843609 - 2¹ = 34843607 is a prime.

Together with 34843607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34843607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17421804 + 17421805.

It is an arithmetic number, because the mean of its divisors is an integer number (17421805).

Almost surely, 2^34843609 is an apocalyptic number.

It is an amenable number.

34843609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34843609 is an equidigital number, since it uses as much as digits as its factorization.

34843609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 34843609 is about 5902.8475331826. The cubic root of 34843609 is about 326.6186984728.

It can be divided in two parts, 3484360 and 9, that multiplied together give a triangular number (31359240 = T₇₉₁₉).

The spelling of 34843609 in words is "thirty-four million, eight hundred forty-three thousand, six hundred nine".