34213829 has 4 divisors (see below), whose sum is σ = 36845676. Its totient is φ = 31581984.

The previous prime is 34213783. The next prime is 34213847. The reversal of 34213829 is 92831243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92831243 = 23 ⋅4036141.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 23961025 = 3202^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 34213829 - 2¹⁶ = 34148293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34213795 and 34213804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34213849) 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 in 3 ways as a sum of consecutive naturals, for example, 1315904 + ... + 1315929.

It is an arithmetic number, because the mean of its divisors is an integer number (9211419).

Almost surely, 2^34213829 is an apocalyptic number.

It is an amenable number.

34213829 is a deficient number, since it is larger than the sum of its proper divisors (2631847).

34213829 is a wasteful number, since it uses less digits than its factorization.

34213829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631846.

The product of its digits is 10368, while the sum is 32.

The square root of 34213829 is about 5849.2588419389. The cubic root of 34213829 is about 324.6389015062.

The spelling of 34213829 in words is "thirty-four million, two hundred thirteen thousand, eight hundred twenty-nine".