34302421 has 4 divisors (see below), whose sum is σ = 34386700. Its totient is φ = 34218144.

The previous prime is 34302403. The next prime is 34302431. The reversal of 34302421 is 12420343.

34302421 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 can be written as a sum of positive squares in 2 ways, for example, as 18190225 + 16112196 = 4265^2 + 4014^2 .

It is a cyclic number.

It is not a de Polignac number, because 34302421 - 2⁹ = 34301909 is a prime.

It is a super-2 number, since 2×34302421² = 2353312172922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34302431) 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, 41526 + ... + 42343.

It is an arithmetic number, because the mean of its divisors is an integer number (8596675).

Almost surely, 2^34302421 is an apocalyptic number.

It is an amenable number.

34302421 is a deficient number, since it is larger than the sum of its proper divisors (84279).

34302421 is an equidigital number, since it uses as much as digits as its factorization.

34302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84278.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34302421 is about 5856.8268712674. The cubic root of 34302421 is about 324.9188625857.

Adding to 34302421 its reverse (12420343), we get a palindrome (46722764).

The spelling of 34302421 in words is "thirty-four million, three hundred two thousand, four hundred twenty-one".