34211421 has 24 divisors (see below), whose sum is σ = 51502464. Its totient is φ = 21863520.

The previous prime is 34211369. The next prime is 34211449. The reversal of 34211421 is 12411243.

34211421 is a `hidden beast` number, since 34 + 211 + 421 = 666.

It is not a de Polignac number, because 34211421 - 2⁶ = 34211357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34211394 and 34211403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34211491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22920 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (2145936).

Almost surely, 2^34211421 is an apocalyptic number.

It is an amenable number.

34211421 is a deficient number, since it is larger than the sum of its proper divisors (17291043).

34211421 is a wasteful number, since it uses less digits than its factorization.

34211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1558 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 34211421 is about 5849.0530002728. The cubic root of 34211421 is about 324.6312852017.

Adding to 34211421 its reverse (12411243), we get a palindrome (46622664).

The spelling of 34211421 in words is "thirty-four million, two hundred eleven thousand, four hundred twenty-one".