34204621 has 4 divisors (see below), whose sum is σ = 37314144. Its totient is φ = 31095100.

The previous prime is 34204609. The next prime is 34204631. The reversal of 34204621 is 12640243.

It is a happy number.

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 34204621 - 2¹³ = 34196429 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34204592 and 34204601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34204631) 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, 1554745 + ... + 1554766.

It is an arithmetic number, because the mean of its divisors is an integer number (9328536).

Almost surely, 2^34204621 is an apocalyptic number.

It is an amenable number.

34204621 is a deficient number, since it is larger than the sum of its proper divisors (3109523).

34204621 is a wasteful number, since it uses less digits than its factorization.

34204621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109522.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 34204621 is about 5848.4716807043. The cubic root of 34204621 is about 324.6097754354.

Adding to 34204621 its reverse (12640243), we get a palindrome (46844864).

The spelling of 34204621 in words is "thirty-four million, two hundred four thousand, six hundred twenty-one".