34638371 has 2 divisors, whose sum is σ = 34638372. Its totient is φ = 34638370.

The previous prime is 34638353. The next prime is 34638379. The reversal of 34638371 is 17383643.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17383643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34638371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (34638379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319185 + 17319186.

It is an arithmetic number, because the mean of its divisors is an integer number (17319186).

Almost surely, 2^34638371 is an apocalyptic number.

34638371 is a deficient number, since it is larger than the sum of its proper divisors (1).

34638371 is an equidigital number, since it uses as much as digits as its factorization.

34638371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 34638371 is about 5885.4371970143. The cubic root of 34638371 is about 325.9761452679.

The spelling of 34638371 in words is "thirty-four million, six hundred thirty-eight thousand, three hundred seventy-one".