34939661 has 2 divisors, whose sum is σ = 34939662. Its totient is φ = 34939660.

The previous prime is 34939633. The next prime is 34939669. The reversal of 34939661 is 16693943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28153636 + 6786025 = 5306^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 34939661 - 2¹⁰ = 34938637 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 (34939669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17469830 + 17469831.

It is an arithmetic number, because the mean of its divisors is an integer number (17469831).

Almost surely, 2^34939661 is an apocalyptic number.

It is an amenable number.

34939661 is a deficient number, since it is larger than the sum of its proper divisors (1).

34939661 is an equidigital number, since it uses as much as digits as its factorization.

34939661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 34939661 is about 5910.9780070645. The cubic root of 34939661 is about 326.9185487326.

The spelling of 34939661 in words is "thirty-four million, nine hundred thirty-nine thousand, six hundred sixty-one".