497128 has 8 divisors (see below), whose sum is σ = 932130. Its totient is φ = 248560.

The previous prime is 497117. The next prime is 497137. The reversal of 497128 is 821794.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 158404 = 582^2 + 398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 497128.

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 as a sum of consecutive naturals, namely, 31063 + ... + 31078.

2⁴⁹⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

497128 is a deficient number, since it is larger than the sum of its proper divisors (435002).

497128 is a wasteful number, since it uses less digits than its factorization.

497128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62147 (or 62143 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 497128 is about 705.0730458612. The cubic root of 497128 is about 79.2177935058.

It can be divided in two parts, 497 and 128, that added together give a 4-th power (625 = 5⁴).

The spelling of 497128 in words is "four hundred ninety-seven thousand, one hundred twenty-eight".