34630991 has 2 divisors, whose sum is σ = 34630992. Its totient is φ = 34630990.

The previous prime is 34630987. The next prime is 34631059. The reversal of 34630991 is 19903643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34630991 - 2² = 34630987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34630931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17315495 + 17315496.

It is an arithmetic number, because the mean of its divisors is an integer number (17315496).

Almost surely, 2^34630991 is an apocalyptic number.

34630991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34630991 is an equidigital number, since it uses as much as digits as its factorization.

34630991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 34630991 is about 5884.8101923512. The cubic root of 34630991 is about 325.9529929588.

The spelling of 34630991 in words is "thirty-four million, six hundred thirty thousand, nine hundred ninety-one".