499128 has 32 divisors (see below), whose sum is σ = 1426560. Its totient is φ = 142560.

The previous prime is 499127. The next prime is 499129. The reversal of 499128 is 821994.

It is an interprime number because it is at equal distance from previous prime (499127) and next prime (499129).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499128.

It is not an unprimeable number, because it can be changed into a prime (499127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (44580).

2⁴⁹⁹¹²⁸ is an apocalyptic number.

It is an amenable number.

499128 is an abundant number, since it is smaller than the sum of its proper divisors (927432).

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

499128 is a wasteful number, since it uses less digits than its factorization.

499128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2983 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 499128 is about 706.4899150023. The cubic root of 499128 is about 79.3238852922.

The spelling of 499128 in words is "four hundred ninety-nine thousand, one hundred twenty-eight".