34688149 has 2 divisors, whose sum is σ = 34688150. Its totient is φ = 34688148.

The previous prime is 34688123. The next prime is 34688153. The reversal of 34688149 is 94188643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 7387524 = 5225^2 + 2718^2 .

It is a cyclic number.

It is not a de Polignac number, because 34688149 - 2²¹ = 32590997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34688179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17344074 + 17344075.

It is an arithmetic number, because the mean of its divisors is an integer number (17344075).

Almost surely, 2^34688149 is an apocalyptic number.

It is an amenable number.

34688149 is a deficient number, since it is larger than the sum of its proper divisors (1).

34688149 is an equidigital number, since it uses as much as digits as its factorization.

34688149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 34688149 is about 5889.6645914687. The cubic root of 34688149 is about 326.1322214479.

The spelling of 34688149 in words is "thirty-four million, six hundred eighty-eight thousand, one hundred forty-nine".