34620409 has 2 divisors, whose sum is σ = 34620410. Its totient is φ = 34620408.

The previous prime is 34620389. The next prime is 34620427. The reversal of 34620409 is 90402643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23040000 + 11580409 = 4800^2 + 3403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34620409 is a prime.

It is not a weakly prime, because it can be changed into another prime (34620479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17310204 + 17310205.

It is an arithmetic number, because the mean of its divisors is an integer number (17310205).

Almost surely, 2^34620409 is an apocalyptic number.

It is an amenable number.

34620409 is a deficient number, since it is larger than the sum of its proper divisors (1).

34620409 is an equidigital number, since it uses as much as digits as its factorization.

34620409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 34620409 is about 5883.9110292390. The cubic root of 34620409 is about 325.9197896934.

The spelling of 34620409 in words is "thirty-four million, six hundred twenty thousand, four hundred nine".