34789397 has 2 divisors, whose sum is σ = 34789398. Its totient is φ = 34789396.

The previous prime is 34789387. The next prime is 34789439. The reversal of 34789397 is 79398743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20151121 + 14638276 = 4489^2 + 3826^2 .

It is an emirp because it is prime and its reverse (79398743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34789397 - 2⁶ = 34789333 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 (34789387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17394698 + 17394699.

It is an arithmetic number, because the mean of its divisors is an integer number (17394699).

Almost surely, 2^34789397 is an apocalyptic number.

It is an amenable number.

34789397 is a deficient number, since it is larger than the sum of its proper divisors (1).

34789397 is an equidigital number, since it uses as much as digits as its factorization.

34789397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 34789397 is about 5898.2537246205. The cubic root of 34789397 is about 326.4492188619.

The spelling of 34789397 in words is "thirty-four million, seven hundred eighty-nine thousand, three hundred ninety-seven".