204414421 has 8 divisors (see below), whose sum is σ = 208986624. Its totient is φ = 199851600.

The previous prime is 204414299. The next prime is 204414449. The reversal of 204414421 is 124414402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204414421 - 2¹³ = 204406229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204414392 and 204414401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204414451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59476 + ... + 62818.

It is an arithmetic number, because the mean of its divisors is an integer number (26123328).

Almost surely, 2^204414421 is an apocalyptic number.

It is an amenable number.

204414421 is a deficient number, since it is larger than the sum of its proper divisors (4572203).

204414421 is a wasteful number, since it uses less digits than its factorization.

204414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 204414421 is about 14297.3571334006. The cubic root of 204414421 is about 589.0748893740.

Adding to 204414421 its reverse (124414402), we get a palindrome (328828823).

The spelling of 204414421 in words is "two hundred four million, four hundred fourteen thousand, four hundred twenty-one".