854389229 has 2 divisors, whose sum is σ = 854389230. Its totient is φ = 854389228.

The previous prime is 854389219. The next prime is 854389253. The reversal of 854389229 is 922983458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833476900 + 20912329 = 28870^2 + 4573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854389229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854389219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427194614 + 427194615.

It is an arithmetic number, because the mean of its divisors is an integer number (427194615).

Almost surely, 2^854389229 is an apocalyptic number.

It is an amenable number.

854389229 is a deficient number, since it is larger than the sum of its proper divisors (1).

854389229 is an equidigital number, since it uses as much as digits as its factorization.

854389229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 854389229 is about 29229.9372048590. The cubic root of 854389229 is about 948.8959395530.

The spelling of 854389229 in words is "eight hundred fifty-four million, three hundred eighty-nine thousand, two hundred twenty-nine".