34287329 has 2 divisors, whose sum is σ = 34287330. Its totient is φ = 34287328.

The previous prime is 34287313. The next prime is 34287347. The reversal of 34287329 is 92378243.

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., 32262400 + 2024929 = 5680^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 34287329 - 2⁴ = 34287313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34287292 and 34287301.

It is not a weakly prime, because it can be changed into another prime (34287529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17143664 + 17143665.

It is an arithmetic number, because the mean of its divisors is an integer number (17143665).

Almost surely, 2^34287329 is an apocalyptic number.

It is an amenable number.

34287329 is a deficient number, since it is larger than the sum of its proper divisors (1).

34287329 is an equidigital number, since it uses as much as digits as its factorization.

34287329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 34287329 is about 5855.5383185494. The cubic root of 34287329 is about 324.8712041925.

The spelling of 34287329 in words is "thirty-four million, two hundred eighty-seven thousand, three hundred twenty-nine".