34421 has 2 divisors, whose sum is σ = 34422. Its totient is φ = 34420.

The previous prime is 34403. The next prime is 34429. The reversal of 34421 is 12443.

34421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34225 + 196 = 185^2 + 14^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34421 is a prime.

It is a Chen prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 34396 and 34405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 34421.

It is not a weakly prime, because it can be changed into another prime (34429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210 + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (17211).

2³⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

34421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34421 is an equidigital number, since it uses as much as digits as its factorization.

34421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 14.

The square root of 34421 is about 185.5289734785. The cubic root of 34421 is about 32.5292832718.

Adding to 34421 its reverse (12443), we get a palindrome (46864).

It can be divided in two parts, 3442 and 1, that added together give a palindrome (3443).

The spelling of 34421 in words is "thirty-four thousand, four hundred twenty-one".