421304411 has 8 divisors (see below), whose sum is σ = 470293824. Its totient is φ = 374096520.

The previous prime is 421304357. The next prime is 421304437. The reversal of 421304411 is 114403124.

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 421304411 - 2²⁶ = 354195547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421304011) 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, 444881 + ... + 445826.

It is an arithmetic number, because the mean of its divisors is an integer number (58786728).

Almost surely, 2^421304411 is an apocalyptic number.

421304411 is a deficient number, since it is larger than the sum of its proper divisors (48989413).

421304411 is a wasteful number, since it uses less digits than its factorization.

421304411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890761.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 421304411 is about 20525.7012304087. The cubic root of 421304411 is about 749.6617206309.

Adding to 421304411 its reverse (114403124), we get a palindrome (535707535).

The spelling of 421304411 in words is "four hundred twenty-one million, three hundred four thousand, four hundred eleven".