428650688 has 14 divisors (see below), whose sum is σ = 850603836. Its totient is φ = 214325312.

The previous prime is 428650687. The next prime is 428650709. The reversal of 428650688 is 886056824.

It is not an unprimeable number, because it can be changed into a prime (428650687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348770 + ... + 3348897.

Almost surely, 2^428650688 is an apocalyptic number.

It is an amenable number.

428650688 is a deficient number, since it is larger than the sum of its proper divisors (421953148).

428650688 is an equidigital number, since it uses as much as digits as its factorization.

428650688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697679 (or 6697669 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 428650688 is about 20703.8809888388. The cubic root of 428650688 is about 753.9939162758.

The spelling of 428650688 in words is "four hundred twenty-eight million, six hundred fifty thousand, six hundred eighty-eight".