34657949 has 2 divisors, whose sum is σ = 34657950. Its totient is φ = 34657948.

The previous prime is 34657939. The next prime is 34657979. The reversal of 34657949 is 94975643.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34597924 + 60025 = 5882^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34657949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34657939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17328974 + 17328975.

It is an arithmetic number, because the mean of its divisors is an integer number (17328975).

Almost surely, 2^34657949 is an apocalyptic number.

It is an amenable number.

34657949 is a deficient number, since it is larger than the sum of its proper divisors (1).

34657949 is an equidigital number, since it uses as much as digits as its factorization.

34657949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 34657949 is about 5887.1002199725. The cubic root of 34657949 is about 326.0375488384.

The spelling of 34657949 in words is "thirty-four million, six hundred fifty-seven thousand, nine hundred forty-nine".