34688609 has 2 divisors, whose sum is σ = 34688610. Its totient is φ = 34688608.

The previous prime is 34688587. The next prime is 34688617. The reversal of 34688609 is 90688643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 13712209 = 4580^2 + 3703^2 .

It is an emirp because it is prime and its reverse (90688643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34688609 - 2¹² = 34684513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34688609.

It is not a weakly prime, because it can be changed into another prime (34688639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17344304 + 17344305.

It is an arithmetic number, because the mean of its divisors is an integer number (17344305).

Almost surely, 2^34688609 is an apocalyptic number.

It is an amenable number.

34688609 is a deficient number, since it is larger than the sum of its proper divisors (1).

34688609 is an equidigital number, since it uses as much as digits as its factorization.

34688609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 34688609 is about 5889.7036427990. The cubic root of 34688609 is about 326.1336630561.

The spelling of 34688609 in words is "thirty-four million, six hundred eighty-eight thousand, six hundred nine".