428958329 has 2 divisors, whose sum is σ = 428958330. Its totient is φ = 428958328.

The previous prime is 428958323. The next prime is 428958367. The reversal of 428958329 is 923859824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381030400 + 47927929 = 19520^2 + 6923^2 .

It is a cyclic number.

It is not a de Polignac number, because 428958329 - 2¹² = 428954233 is a prime.

It is not a weakly prime, because it can be changed into another prime (428958323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214479164 + 214479165.

It is an arithmetic number, because the mean of its divisors is an integer number (214479165).

Almost surely, 2^428958329 is an apocalyptic number.

It is an amenable number.

428958329 is a deficient number, since it is larger than the sum of its proper divisors (1).

428958329 is an equidigital number, since it uses as much as digits as its factorization.

428958329 is an evil number, because the sum of its binary digits is even.

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

The square root of 428958329 is about 20711.3092053593. The cubic root of 428958329 is about 754.1742526809.

The spelling of 428958329 in words is "four hundred twenty-eight million, nine hundred fifty-eight thousand, three hundred twenty-nine".