34381397 has 2 divisors, whose sum is σ = 34381398. Its totient is φ = 34381396.

The previous prime is 34381379. The next prime is 34381433. The reversal of 34381397 is 79318343.

Together with previous prime (34381379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 1674436 = 5719^2 + 1294^2 .

It is a cyclic number.

It is not a de Polignac number, because 34381397 - 2¹⁰ = 34380373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34381397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34381357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17190698 + 17190699.

It is an arithmetic number, because the mean of its divisors is an integer number (17190699).

Almost surely, 2^34381397 is an apocalyptic number.

It is an amenable number.

34381397 is a deficient number, since it is larger than the sum of its proper divisors (1).

34381397 is an equidigital number, since it uses as much as digits as its factorization.

34381397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 34381397 is about 5863.5652123942. The cubic root of 34381397 is about 325.1680298763.

The spelling of 34381397 in words is "thirty-four million, three hundred eighty-one thousand, three hundred ninety-seven".