34687489 has 2 divisors, whose sum is σ = 34687490. Its totient is φ = 34687488.

The previous prime is 34687487. The next prime is 34687511. The reversal of 34687489 is 98478643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28005264 + 6682225 = 5292^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 34687489 - 2¹ = 34687487 is a prime.

Together with 34687487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34687487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17343744 + 17343745.

It is an arithmetic number, because the mean of its divisors is an integer number (17343745).

Almost surely, 2^34687489 is an apocalyptic number.

It is an amenable number.

34687489 is a deficient number, since it is larger than the sum of its proper divisors (1).

34687489 is an equidigital number, since it uses as much as digits as its factorization.

34687489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 34687489 is about 5889.6085608468. The cubic root of 34687489 is about 326.1301530313.

The spelling of 34687489 in words is "thirty-four million, six hundred eighty-seven thousand, four hundred eighty-nine".