34342421 has 4 divisors (see below), whose sum is σ = 34360992. Its totient is φ = 34323852.

The previous prime is 34342411. The next prime is 34342433. The reversal of 34342421 is 12424343.

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 34342421 - 2¹⁴ = 34326037 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 (34342411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6161 + ... + 10326.

It is an arithmetic number, because the mean of its divisors is an integer number (8590248).

Almost surely, 2^34342421 is an apocalyptic number.

It is an amenable number.

34342421 is a deficient number, since it is larger than the sum of its proper divisors (18571).

34342421 is a wasteful number, since it uses less digits than its factorization.

34342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570.

The product of its digits is 2304, while the sum is 23.

The square root of 34342421 is about 5860.2406947155. The cubic root of 34342421 is about 325.0451093205.

Adding to 34342421 its reverse (12424343), we get a palindrome (46766764).

The spelling of 34342421 in words is "thirty-four million, three hundred forty-two thousand, four hundred twenty-one".