34330321 has 4 divisors (see below), whose sum is σ = 36137200. Its totient is φ = 32523444.

The previous prime is 34330301. The next prime is 34330343. The reversal of 34330321 is 12303343.

34330321 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, and also an emirpimes, since its reverse is a distinct semiprime: 12303343 = 13 ⋅946411.

It is a cyclic number.

It is not a de Polignac number, because 34330321 - 2⁷ = 34330193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1806859 = 34330321 / (3 + 4 + 3 + 3 + 0 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34330301) 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, 903411 + ... + 903448.

It is an arithmetic number, because the mean of its divisors is an integer number (9034300).

Almost surely, 2^34330321 is an apocalyptic number.

It is an amenable number.

34330321 is a deficient number, since it is larger than the sum of its proper divisors (1806879).

34330321 is a wasteful number, since it uses less digits than its factorization.

34330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806878.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 34330321 is about 5859.2082229598. The cubic root of 34330321 is about 325.0069300297.

Adding to 34330321 its reverse (12303343), we get a palindrome (46633664).

The spelling of 34330321 in words is "thirty-four million, three hundred thirty thousand, three hundred twenty-one".