34687897 has 2 divisors, whose sum is σ = 34687898. Its totient is φ = 34687896.

The previous prime is 34687823. The next prime is 34687903. The reversal of 34687897 is 79878643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34386496 + 301401 = 5864^2 + 549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34687897 is a prime.

It is not a weakly prime, because it can be changed into another prime (34687817) 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, 17343948 + 17343949.

It is an arithmetic number, because the mean of its divisors is an integer number (17343949).

Almost surely, 2^34687897 is an apocalyptic number.

It is an amenable number.

34687897 is a deficient number, since it is larger than the sum of its proper divisors (1).

34687897 is an equidigital number, since it uses as much as digits as its factorization.

34687897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 34687897 is about 5889.6431980214. The cubic root of 34687897 is about 326.1314316919.

The spelling of 34687897 in words is "thirty-four million, six hundred eighty-seven thousand, eight hundred ninety-seven".