34334021 has 4 divisors (see below), whose sum is σ = 34420044. Its totient is φ = 34248000.

The previous prime is 34334011. The next prime is 34334051. The reversal of 34334021 is 12043343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12043343 = 13 ⋅926411.

It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 1144900 = 5761^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 34334021 - 2²² = 30139717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34333984 and 34334002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34334011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42410 + ... + 43211.

It is an arithmetic number, because the mean of its divisors is an integer number (8605011).

Almost surely, 2^34334021 is an apocalyptic number.

It is an amenable number.

34334021 is a deficient number, since it is larger than the sum of its proper divisors (86023).

34334021 is an equidigital number, since it uses as much as digits as its factorization.

34334021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86022.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34334021 is about 5859.5239567733. The cubic root of 34334021 is about 325.0186056410.

Adding to 34334021 its reverse (12043343), we get a palindrome (46377364).

The spelling of 34334021 in words is "thirty-four million, three hundred thirty-four thousand, twenty-one".