34167421 has 4 divisors (see below), whose sum is σ = 34600000. Its totient is φ = 33734844.

The previous prime is 34167407. The next prime is 34167437. The reversal of 34167421 is 12476143.

34167421 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: 12476143 = 23 ⋅542441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34167421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34167421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34167821) 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, 216171 + ... + 216328.

It is an arithmetic number, because the mean of its divisors is an integer number (8650000).

Almost surely, 2^34167421 is an apocalyptic number.

It is an amenable number.

34167421 is a deficient number, since it is larger than the sum of its proper divisors (432579).

34167421 is an equidigital number, since it uses as much as digits as its factorization.

34167421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432578.

The product of its digits is 4032, while the sum is 28.

The square root of 34167421 is about 5845.2904974860. The cubic root of 34167421 is about 324.4920538762.

The spelling of 34167421 in words is "thirty-four million, one hundred sixty-seven thousand, four hundred twenty-one".