428485804 has 12 divisors (see below), whose sum is σ = 755575128. Its totient is φ = 212607200.

The previous prime is 428485769. The next prime is 428485807. The reversal of 428485804 is 408584824.

It is not an unprimeable number, because it can be changed into a prime (428485807) 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 3 ways as a sum of consecutive naturals, for example, 408337 + ... + 409384.

It is an arithmetic number, because the mean of its divisors is an integer number (62964594).

Almost surely, 2^428485804 is an apocalyptic number.

It is an amenable number.

428485804 is a deficient number, since it is larger than the sum of its proper divisors (327089324).

428485804 is a wasteful number, since it uses less digits than its factorization.

428485804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817856 (or 817854 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 43.

The square root of 428485804 is about 20699.8986470949. The cubic root of 428485804 is about 753.8972272310.

The spelling of 428485804 in words is "four hundred twenty-eight million, four hundred eighty-five thousand, eight hundred four".