428516341 has 4 divisors (see below), whose sum is σ = 467472384. Its totient is φ = 389560300.

The previous prime is 428516339. The next prime is 428516357. The reversal of 428516341 is 143615824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428516341 - 2¹ = 428516339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428516297 and 428516306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428516321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19478005 + ... + 19478026.

It is an arithmetic number, because the mean of its divisors is an integer number (116868096).

Almost surely, 2^428516341 is an apocalyptic number.

It is an amenable number.

428516341 is a deficient number, since it is larger than the sum of its proper divisors (38956043).

428516341 is a wasteful number, since it uses less digits than its factorization.

428516341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38956042.

The product of its digits is 23040, while the sum is 34.

The square root of 428516341 is about 20700.6362462606. The cubic root of 428516341 is about 753.9151361967.

The spelling of 428516341 in words is "four hundred twenty-eight million, five hundred sixteen thousand, three hundred forty-one".