428606824 has 16 divisors (see below), whose sum is σ = 806177700. Its totient is φ = 213626112.

The previous prime is 428606791. The next prime is 428606851.

428606824 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 386122500 + 42484324 = 19650^2 + 6518^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 81969 + ... + 87040.

Almost surely, 2^428606824 is an apocalyptic number.

It is an amenable number.

428606824 is a deficient number, since it is larger than the sum of its proper divisors (377570876).

428606824 is a wasteful number, since it uses less digits than its factorization.

428606824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169332 (or 169328 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 428606824 is about 20702.8216434379. The cubic root of 428606824 is about 753.9681965633.

The spelling of 428606824 in words is "four hundred twenty-eight million, six hundred six thousand, eight hundred twenty-four".