428804658 has 32 divisors (see below), whose sum is σ = 960189120. Its totient is φ = 141841440.

The previous prime is 428804647. The next prime is 428804669. The reversal of 428804658 is 856408824.

It is an interprime number because it is at equal distance from previous prime (428804647) and next prime (428804669).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23235 + ... + 37382.

It is an arithmetic number, because the mean of its divisors is an integer number (30005910).

Almost surely, 2^428804658 is an apocalyptic number.

428804658 is an abundant number, since it is smaller than the sum of its proper divisors (531384462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428804658 is a wasteful number, since it uses less digits than its factorization.

428804658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60759 (or 60753 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 428804658 is about 20707.5990399660. The cubic root of 428804658 is about 754.0841828956.

The spelling of 428804658 in words is "four hundred twenty-eight million, eight hundred four thousand, six hundred fifty-eight".