34133421 has 16 divisors (see below), whose sum is σ = 53121024. Its totient is φ = 19089264.

The previous prime is 34133389. The next prime is 34133423. The reversal of 34133421 is 12433143.

It is not a de Polignac number, because 34133421 - 2⁵ = 34133389 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 (34133423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16305 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (3320064).

Almost surely, 2^34133421 is an apocalyptic number.

It is an amenable number.

34133421 is a deficient number, since it is larger than the sum of its proper divisors (18987603).

34133421 is a wasteful number, since it uses less digits than its factorization.

34133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34640.

The product of its digits is 864, while the sum is 21.

The square root of 34133421 is about 5842.3814493749. The cubic root of 34133421 is about 324.3843841420.

Adding to 34133421 its reverse (12433143), we get a palindrome (46566564).

The spelling of 34133421 in words is "thirty-four million, one hundred thirty-three thousand, four hundred twenty-one".