34020243 has 28 divisors (see below), whose sum is σ = 53250960. Its totient is φ = 21683376.

The previous prime is 34020229. The next prime is 34020269. The reversal of 34020243 is 34202043.

It is not a de Polignac number, because 34020243 - 2⁹ = 34019731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34020143) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 15753 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (1901820).

Almost surely, 2^34020243 is an apocalyptic number.

34020243 is a deficient number, since it is larger than the sum of its proper divisors (19230717).

34020243 is an equidigital number, since it uses as much as digits as its factorization.

34020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 34020243 is about 5832.6874594821. The cubic root of 34020243 is about 324.0254609621.

Adding to 34020243 its reverse (34202043), we get a palindrome (68222286).

The spelling of 34020243 in words is "thirty-four million, twenty thousand, two hundred forty-three".