34421839 has 4 divisors (see below), whose sum is σ = 35005320. Its totient is φ = 33838360.

The previous prime is 34421833. The next prime is 34421897. The reversal of 34421839 is 93812443.

34421839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34421839 - 2¹⁹ = 33897551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34421833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291652 + ... + 291769.

It is an arithmetic number, because the mean of its divisors is an integer number (8751330).

Almost surely, 2^34421839 is an apocalyptic number.

34421839 is a deficient number, since it is larger than the sum of its proper divisors (583481).

34421839 is an equidigital number, since it uses as much as digits as its factorization.

34421839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583480.

The product of its digits is 20736, while the sum is 34.

The square root of 34421839 is about 5867.0127833507. The cubic root of 34421839 is about 325.2954756638.

The spelling of 34421839 in words is "thirty-four million, four hundred twenty-one thousand, eight hundred thirty-nine".