34149397 has 2 divisors, whose sum is σ = 34149398. Its totient is φ = 34149396.

The previous prime is 34149361. The next prime is 34149407. The reversal of 34149397 is 79394143.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 11195716 = 4791^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 34149397 - 2¹¹ = 34147349 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 (34149337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17074698 + 17074699.

It is an arithmetic number, because the mean of its divisors is an integer number (17074699).

Almost surely, 2^34149397 is an apocalyptic number.

It is an amenable number.

34149397 is a deficient number, since it is larger than the sum of its proper divisors (1).

34149397 is an equidigital number, since it uses as much as digits as its factorization.

34149397 is an evil number, because the sum of its binary digits is even.

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

The square root of 34149397 is about 5843.7485401068. The cubic root of 34149397 is about 324.4349851507.

The spelling of 34149397 in words is "thirty-four million, one hundred forty-nine thousand, three hundred ninety-seven".