34511421 has 32 divisors (see below), whose sum is σ = 55353600. Its totient is φ = 18708480.

The previous prime is 34511383. The next prime is 34511423. The reversal of 34511421 is 12411543.

34511421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34511421 - 2⁶ = 34511357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34511423) 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 31 ways as a sum of consecutive naturals, for example, 36685 + ... + 37613.

It is an arithmetic number, because the mean of its divisors is an integer number (1729800).

Almost surely, 2^34511421 is an apocalyptic number.

It is an amenable number.

34511421 is a deficient number, since it is larger than the sum of its proper divisors (20842179).

34511421 is a wasteful number, since it uses less digits than its factorization.

34511421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its digits is 480, while the sum is 21.

The square root of 34511421 is about 5874.6422018707. The cubic root of 34511421 is about 325.5774224103.

Adding to 34511421 its reverse (12411543), we get a palindrome (46922964).

The spelling of 34511421 in words is "thirty-four million, five hundred eleven thousand, four hundred twenty-one".