428486141 has 2 divisors, whose sum is σ = 428486142. Its totient is φ = 428486140.

The previous prime is 428486057. The next prime is 428486147. The reversal of 428486141 is 141684824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309021241 + 119464900 = 17579^2 + 10930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428486141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428486095 and 428486104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428486147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214243070 + 214243071.

It is an arithmetic number, because the mean of its divisors is an integer number (214243071).

Almost surely, 2^428486141 is an apocalyptic number.

It is an amenable number.

428486141 is a deficient number, since it is larger than the sum of its proper divisors (1).

428486141 is an equidigital number, since it uses as much as digits as its factorization.

428486141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49152, while the sum is 38.

The square root of 428486141 is about 20699.9067872297. The cubic root of 428486141 is about 753.8974248752.

The spelling of 428486141 in words is "four hundred twenty-eight million, four hundred eighty-six thousand, one hundred forty-one".