34798009 has 2 divisors, whose sum is σ = 34798010. Its totient is φ = 34798008.

The previous prime is 34798003. The next prime is 34798013. The reversal of 34798009 is 90089743.

34798009 = T₄₈₁₅ + T₄₈₁₆ + T₄₈₁₇.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 9517225 = 5028^2 + 3085^2 .

It is an emirp because it is prime and its reverse (90089743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34798009 - 2⁵ = 34797977 is a prime.

It is not a weakly prime, because it can be changed into another prime (34798003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17399004 + 17399005.

It is an arithmetic number, because the mean of its divisors is an integer number (17399005).

Almost surely, 2^34798009 is an apocalyptic number.

34798009 is the 4817-th centered triangular number.

It is an amenable number.

34798009 is a deficient number, since it is larger than the sum of its proper divisors (1).

34798009 is an equidigital number, since it uses as much as digits as its factorization.

34798009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 34798009 is about 5898.9837260328. The cubic root of 34798009 is about 326.4761537805.

The spelling of 34798009 in words is "thirty-four million, seven hundred ninety-eight thousand, nine".