34039843 has 4 divisors (see below), whose sum is σ = 34123480. Its totient is φ = 33956208.

The previous prime is 34039813. The next prime is 34039879. The reversal of 34039843 is 34893043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34039843 - 2²⁵ = 485411 is a prime.

It is a super-2 number, since 2×34039843² = 2317421822929298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34039799 and 34039808.

It is not an unprimeable number, because it can be changed into a prime (34039813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41205 + ... + 42022.

It is an arithmetic number, because the mean of its divisors is an integer number (8530870).

Almost surely, 2^34039843 is an apocalyptic number.

34039843 is a deficient number, since it is larger than the sum of its proper divisors (83637).

34039843 is an equidigital number, since it uses as much as digits as its factorization.

34039843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83636.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 34039843 is about 5834.3674035837. The cubic root of 34039843 is about 324.0876756831.

The spelling of 34039843 in words is "thirty-four million, thirty-nine thousand, eight hundred forty-three".