428318341 has 12 divisors (see below), whose sum is σ = 475662796. Its totient is φ = 385355520.

The previous prime is 428318339. The next prime is 428318369. The reversal of 428318341 is 143813824.

It can be written as a sum of positive squares in 2 ways, for example, as 84364225 + 343954116 = 9185^2 + 18546^2 .

It is not a de Polignac number, because 428318341 - 2¹ = 428318339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428318297 and 428318306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428318441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6510 + ... + 29983.

Almost surely, 2^428318341 is an apocalyptic number.

It is an amenable number.

428318341 is a deficient number, since it is larger than the sum of its proper divisors (47344455).

428318341 is a wasteful number, since it uses less digits than its factorization.

428318341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36612 (or 36601 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 428318341 is about 20695.8532319883. The cubic root of 428318341 is about 753.7990004512.

The spelling of 428318341 in words is "four hundred twenty-eight million, three hundred eighteen thousand, three hundred forty-one".