421104441 has 8 divisors (see below), whose sum is σ = 565894144. Its totient is φ = 278525520.

The previous prime is 421104427. The next prime is 421104449. The reversal of 421104441 is 144401124.

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

It is not a de Polignac number, because 421104441 - 2²¹ = 419007289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421104449) 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, 552250 + ... + 553011.

It is an arithmetic number, because the mean of its divisors is an integer number (70736768).

Almost surely, 2^421104441 is an apocalyptic number.

It is an amenable number.

421104441 is a deficient number, since it is larger than the sum of its proper divisors (144789703).

421104441 is a wasteful number, since it uses less digits than its factorization.

421104441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105391.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 421104441 is about 20520.8294423008. The cubic root of 421104441 is about 749.5430941504.

Adding to 421104441 its reverse (144401124), we get a palindrome (565505565).

The spelling of 421104441 in words is "four hundred twenty-one million, one hundred four thousand, four hundred forty-one".