34189849 has 2 divisors, whose sum is σ = 34189850. Its totient is φ = 34189848.

The previous prime is 34189847. The next prime is 34189853. The reversal of 34189849 is 94898143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32855824 + 1334025 = 5732^2 + 1155^2 .

It is a cyclic number.

It is not a de Polignac number, because 34189849 - 2¹ = 34189847 is a prime.

Together with 34189847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 34189799 and 34189808.

It is not a weakly prime, because it can be changed into another prime (34189843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17094924 + 17094925.

It is an arithmetic number, because the mean of its divisors is an integer number (17094925).

Almost surely, 2^34189849 is an apocalyptic number.

It is an amenable number.

34189849 is a deficient number, since it is larger than the sum of its proper divisors (1).

34189849 is an equidigital number, since it uses as much as digits as its factorization.

34189849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 34189849 is about 5847.2086502878. The cubic root of 34189849 is about 324.5630388062.

The spelling of 34189849 in words is "thirty-four million, one hundred eighty-nine thousand, eight hundred forty-nine".