34244021 has 4 divisors (see below), whose sum is σ = 39136032. Its totient is φ = 29352012.

The previous prime is 34244017. The next prime is 34244027. The reversal of 34244021 is 12044243.

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 34244021 - 2² = 34244017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34243984 and 34244002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34244027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445995 + ... + 2446008.

It is an arithmetic number, because the mean of its divisors is an integer number (9784008).

Almost surely, 2^34244021 is an apocalyptic number.

It is an amenable number.

34244021 is a deficient number, since it is larger than the sum of its proper divisors (4892011).

34244021 is an equidigital number, since it uses as much as digits as its factorization.

34244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892010.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34244021 is about 5851.8391126209. The cubic root of 34244021 is about 324.7343659845.

Adding to 34244021 its reverse (12044243), we get a palindrome (46288264).

The spelling of 34244021 in words is "thirty-four million, two hundred forty-four thousand, twenty-one".