34712389 has 2 divisors, whose sum is σ = 34712390. Its totient is φ = 34712388.

The previous prime is 34712383. The next prime is 34712393. The reversal of 34712389 is 98321743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 16136289 = 4310^2 + 4017^2 .

It is a cyclic number.

It is not a de Polignac number, because 34712389 - 2⁷ = 34712261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34712383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17356194 + 17356195.

It is an arithmetic number, because the mean of its divisors is an integer number (17356195).

Almost surely, 2^34712389 is an apocalyptic number.

It is an amenable number.

34712389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34712389 is an equidigital number, since it uses as much as digits as its factorization.

34712389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 34712389 is about 5891.7220742326. The cubic root of 34712389 is about 326.2081705790.

The spelling of 34712389 in words is "thirty-four million, seven hundred twelve thousand, three hundred eighty-nine".