490462728 has 64 divisors (see below), whose sum is σ = 1402965120. Its totient is φ = 139968000.

The previous prime is 490462711. The next prime is 490462757. The reversal of 490462728 is 827264094.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 490462728.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271428 + ... + 273228.

It is an arithmetic number, because the mean of its divisors is an integer number (21921330).

Almost surely, 2^490462728 is an apocalyptic number.

It is an amenable number.

490462728 is an abundant number, since it is smaller than the sum of its proper divisors (912502392).

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

490462728 is a wasteful number, since it uses less digits than its factorization.

490462728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438 (or 3434 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 490462728 is about 22146.3931149070. The cubic root of 490462728 is about 788.6216032002.

The spelling of 490462728 in words is "four hundred ninety million, four hundred sixty-two thousand, seven hundred twenty-eight".