421456411 has 8 divisors (see below), whose sum is σ = 428920560. Its totient is φ = 414003072.

The previous prime is 421456369. The next prime is 421456417. The reversal of 421456411 is 114654124.

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 421456411 - 2⁷ = 421456283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421456411.

It is not an unprimeable number, because it can be changed into a prime (421456417) 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, 153991 + ... + 156703.

It is an arithmetic number, because the mean of its divisors is an integer number (53615070).

Almost surely, 2^421456411 is an apocalyptic number.

421456411 is a deficient number, since it is larger than the sum of its proper divisors (7464149).

421456411 is a wasteful number, since it uses less digits than its factorization.

421456411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405.

The product of its digits is 3840, while the sum is 28.

The square root of 421456411 is about 20529.4035714631. The cubic root of 421456411 is about 749.7518651738.

The spelling of 421456411 in words is "four hundred twenty-one million, four hundred fifty-six thousand, four hundred eleven".