428460620 has 24 divisors (see below), whose sum is σ = 1028305824. Its totient is φ = 146900736.

The previous prime is 428460611. The next prime is 428460667. The reversal of 428460620 is 26064824.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1530077 + ... + 1530356.

It is an arithmetic number, because the mean of its divisors is an integer number (42846076).

Almost surely, 2^428460620 is an apocalyptic number.

It is an amenable number.

428460620 is an abundant number, since it is smaller than the sum of its proper divisors (599845204).

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

428460620 is a wasteful number, since it uses less digits than its factorization.

428460620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060449 (or 3060447 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 428460620 is about 20699.2903259991. The cubic root of 428460620 is about 753.8824569869.

The spelling of 428460620 in words is "four hundred twenty-eight million, four hundred sixty thousand, six hundred twenty".