421204411 has 8 divisors (see below), whose sum is σ = 439047440. Its totient is φ = 403701408.

The previous prime is 421204391. The next prime is 421204417. The reversal of 421204411 is 114402124.

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 421204411 - 2⁷ = 421204283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421204417) 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, 82476 + ... + 87433.

It is an arithmetic number, because the mean of its divisors is an integer number (54880930).

Almost surely, 2^421204411 is an apocalyptic number.

421204411 is a deficient number, since it is larger than the sum of its proper divisors (17843029).

421204411 is a wasteful number, since it uses less digits than its factorization.

421204411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170013.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 421204411 is about 20523.2651154732. The cubic root of 421204411 is about 749.6024031855.

Adding to 421204411 its reverse (114402124), we get a palindrome (535606535).

The spelling of 421204411 in words is "four hundred twenty-one million, two hundred four thousand, four hundred eleven".