34939321 has 2 divisors, whose sum is σ = 34939322. Its totient is φ = 34939320.

The previous prime is 34939319. The next prime is 34939337. The reversal of 34939321 is 12393943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 4247721 = 5540^2 + 2061^2 .

It is a cyclic number.

It is not a de Polignac number, because 34939321 - 2¹ = 34939319 is a prime.

Together with 34939319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34939621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17469660 + 17469661.

It is an arithmetic number, because the mean of its divisors is an integer number (17469661).

Almost surely, 2^34939321 is an apocalyptic number.

It is an amenable number.

34939321 is a deficient number, since it is larger than the sum of its proper divisors (1).

34939321 is an equidigital number, since it uses as much as digits as its factorization.

34939321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 34939321 is about 5910.9492469484. The cubic root of 34939321 is about 326.9174883076.

The spelling of 34939321 in words is "thirty-four million, nine hundred thirty-nine thousand, three hundred twenty-one".