34397149 has 2 divisors, whose sum is σ = 34397150. Its totient is φ = 34397148.

The previous prime is 34397141. The next prime is 34397179. The reversal of 34397149 is 94179343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 16605625 = 4218^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 34397149 - 2³ = 34397141 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 (34397141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17198574 + 17198575.

It is an arithmetic number, because the mean of its divisors is an integer number (17198575).

Almost surely, 2^34397149 is an apocalyptic number.

It is an amenable number.

34397149 is a deficient number, since it is larger than the sum of its proper divisors (1).

34397149 is an equidigital number, since it uses as much as digits as its factorization.

34397149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 34397149 is about 5864.9082686774. The cubic root of 34397149 is about 325.2176813858.

The spelling of 34397149 in words is "thirty-four million, three hundred ninety-seven thousand, one hundred forty-nine".