428466841 has 16 divisors (see below), whose sum is σ = 487047168. Its totient is φ = 373395600.

The previous prime is 428466763. The next prime is 428466869. The reversal of 428466841 is 148664824.

428466841 is nontrivially palindromic in base 5.

It is a cyclic number.

It is not a de Polignac number, because 428466841 - 2²¹ = 426369689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428466881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30616 + ... + 42358.

It is an arithmetic number, because the mean of its divisors is an integer number (30440448).

Almost surely, 2^428466841 is an apocalyptic number.

It is an amenable number.

428466841 is a deficient number, since it is larger than the sum of its proper divisors (58580327).

428466841 is a wasteful number, since it uses less digits than its factorization.

428466841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892.

The product of its digits is 294912, while the sum is 43.

The square root of 428466841 is about 20699.4405963060. The cubic root of 428466841 is about 753.8861056147.

The spelling of 428466841 in words is "four hundred twenty-eight million, four hundred sixty-six thousand, eight hundred forty-one".