34008421 has 4 divisors (see below), whose sum is σ = 35487072. Its totient is φ = 32529772.

The previous prime is 34008407. The next prime is 34008427. The reversal of 34008421 is 12480043.

34008421 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34008421 - 2²³ = 25619813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34008392 and 34008401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34008427) 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, 739291 + ... + 739336.

It is an arithmetic number, because the mean of its divisors is an integer number (8871768).

Almost surely, 2^34008421 is an apocalyptic number.

It is an amenable number.

34008421 is a deficient number, since it is larger than the sum of its proper divisors (1478651).

34008421 is a wasteful number, since it uses less digits than its factorization.

34008421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478650.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 34008421 is about 5831.6739449321. The cubic root of 34008421 is about 323.9879237738.

Adding to 34008421 its reverse (12480043), we get a palindrome (46488464).

The spelling of 34008421 in words is "thirty-four million, eight thousand, four hundred twenty-one".