490286728 has 16 divisors (see below), whose sum is σ = 924426000. Its totient is φ = 243773136.

The previous prime is 490286723. The next prime is 490286743. The reversal of 490286728 is 827682094.

It is not an unprimeable number, because it can be changed into a prime (490286723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169758 + ... + 172621.

It is an arithmetic number, because the mean of its divisors is an integer number (57776625).

Almost surely, 2^490286728 is an apocalyptic number.

It is an amenable number.

490286728 is a deficient number, since it is larger than the sum of its proper divisors (434139272).

490286728 is a wasteful number, since it uses less digits than its factorization.

490286728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342564 (or 342560 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 490286728 is about 22142.4191993558. The cubic root of 490286728 is about 788.5272609938.

The spelling of 490286728 in words is "four hundred ninety million, two hundred eighty-six thousand, seven hundred twenty-eight".