34966991 has 2 divisors, whose sum is σ = 34966992. Its totient is φ = 34966990.

The previous prime is 34966957. The next prime is 34967021. The reversal of 34966991 is 19966943.

It is a strong prime.

It is an emirp because it is prime and its reverse (19966943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34966991 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 (34963991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17483495 + 17483496.

It is an arithmetic number, because the mean of its divisors is an integer number (17483496).

Almost surely, 2^34966991 is an apocalyptic number.

34966991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34966991 is an equidigital number, since it uses as much as digits as its factorization.

34966991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 47.

The square root of 34966991 is about 5913.2893553419. The cubic root of 34966991 is about 327.0037656953.

It can be divided in two parts, 3496 and 6991, that multiplied together give a triangular number (24440536 = T₆₉₉₁).

The spelling of 34966991 in words is "thirty-four million, nine hundred sixty-six thousand, nine hundred ninety-one".