428064604 has 36 divisors (see below), whose sum is σ = 866761000. Its totient is φ = 184330080.

The previous prime is 428064557. The next prime is 428064629. The reversal of 428064604 is 406460824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 428064604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14079 + ... + 32470.

Almost surely, 2^428064604 is an apocalyptic number.

428064604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

428064604 is an abundant number, since it is smaller than the sum of its proper divisors (438696396).

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

428064604 is a wasteful number, since it uses less digits than its factorization.

428064604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46594 (or 46581 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 428064604 is about 20689.7221827650. The cubic root of 428064604 is about 753.6501201597.

The spelling of 428064604 in words is "four hundred twenty-eight million, sixty-four thousand, six hundred four".