490128 has 20 divisors (see below), whose sum is σ = 1266288. Its totient is φ = 163360.

The previous prime is 490121. The next prime is 490151. The reversal of 490128 is 821094.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 490098 and 490107.

It is not an unprimeable number, because it can be changed into a prime (490121) 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, 5058 + ... + 5153.

2⁴⁹⁰¹²⁸ is an apocalyptic number.

490128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490128 is an abundant number, since it is smaller than the sum of its proper divisors (776160).

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

490128 is a wasteful number, since it uses less digits than its factorization.

490128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222 (or 10216 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 490128 is about 700.0914226014. The cubic root of 490128 is about 78.8442157824.

The spelling of 490128 in words is "four hundred ninety thousand, one hundred twenty-eight".