428094660 has 48 divisors (see below), whose sum is σ = 1369904256. Its totient is φ = 97850112.

The previous prime is 428094637. The next prime is 428094671. The reversal of 428094660 is 66490824.

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 15 ways as a sum of consecutive naturals, for example, 509217 + ... + 510056.

It is an arithmetic number, because the mean of its divisors is an integer number (28539672).

Almost surely, 2^428094660 is an apocalyptic number.

It is an amenable number.

428094660 is an abundant number, since it is smaller than the sum of its proper divisors (941809596).

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

428094660 is a wasteful number, since it uses less digits than its factorization.

428094660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019292 (or 1019290 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 428094660 is about 20690.4485209963. The cubic root of 428094660 is about 753.6677586015.

The spelling of 428094660 in words is "four hundred twenty-eight million, ninety-four thousand, six hundred sixty".