34387589 has 2 divisors, whose sum is σ = 34387590. Its totient is φ = 34387588.

The previous prime is 34387523. The next prime is 34387601. The reversal of 34387589 is 98578343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31730689 + 2656900 = 5633^2 + 1630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34387589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34387519) 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, 17193794 + 17193795.

It is an arithmetic number, because the mean of its divisors is an integer number (17193795).

Almost surely, 2^34387589 is an apocalyptic number.

It is an amenable number.

34387589 is a deficient number, since it is larger than the sum of its proper divisors (1).

34387589 is an equidigital number, since it uses as much as digits as its factorization.

34387589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 34387589 is about 5864.0931950302. The cubic root of 34387589 is about 325.1875493429.

The spelling of 34387589 in words is "thirty-four million, three hundred eighty-seven thousand, five hundred eighty-nine".