490005728 has 12 divisors (see below), whose sum is σ = 964698840. Its totient is φ = 245002848.

The previous prime is 490005707. The next prime is 490005743. The reversal of 490005728 is 827500094.

It is a happy number.

It is a super-2 number, since 2×490005728² = 480211226945619968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656308 + ... + 7656371.

It is an arithmetic number, because the mean of its divisors is an integer number (80391570).

Almost surely, 2^490005728 is an apocalyptic number.

It is an amenable number.

490005728 is a deficient number, since it is larger than the sum of its proper divisors (474693112).

490005728 is a wasteful number, since it uses less digits than its factorization.

490005728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312689 (or 15312681 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 490005728 is about 22136.0730031322. The cubic root of 490005728 is about 788.3765882737.

The spelling of 490005728 in words is "four hundred ninety million, five thousand, seven hundred twenty-eight".