428516658 has 24 divisors (see below), whose sum is σ = 958404096. Its totient is φ = 138231000.

The previous prime is 428516651. The next prime is 428516663. The reversal of 428516658 is 856615824.

It is not an unprimeable number, because it can be changed into a prime (428516651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 383418 + ... + 384533.

It is an arithmetic number, because the mean of its divisors is an integer number (39933504).

Almost surely, 2^428516658 is an apocalyptic number.

428516658 is an abundant number, since it is smaller than the sum of its proper divisors (529887438).

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

428516658 is a wasteful number, since it uses less digits than its factorization.

428516658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767990 (or 767987 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 428516658 is about 20700.6439030287. The cubic root of 428516658 is about 753.9153221025.

The spelling of 428516658 in words is "four hundred twenty-eight million, five hundred sixteen thousand, six hundred fifty-eight".