428853289 has 2 divisors, whose sum is σ = 428853290. Its totient is φ = 428853288.

The previous prime is 428853251. The next prime is 428853301. The reversal of 428853289 is 982358824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427869225 + 984064 = 20685^2 + 992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428853289 is a prime.

It is a super-2 number, since 2×428853289² = 367830286972235042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428853209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214426644 + 214426645.

It is an arithmetic number, because the mean of its divisors is an integer number (214426645).

Almost surely, 2^428853289 is an apocalyptic number.

It is an amenable number.

428853289 is a deficient number, since it is larger than the sum of its proper divisors (1).

428853289 is an equidigital number, since it uses as much as digits as its factorization.

428853289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 49.

The square root of 428853289 is about 20708.7732374470. The cubic root of 428853289 is about 754.1126888683.

The spelling of 428853289 in words is "four hundred twenty-eight million, eight hundred fifty-three thousand, two hundred eighty-nine".