498890 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 171024.

The previous prime is 498881. The next prime is 498907. The reversal of 498890 is 98894.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 498890.

It is an unprimeable number.

498890 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁴⁹⁸⁸⁹⁰ is an apocalyptic number.

498890 is an abundant number, since it is smaller than the sum of its proper divisors (527542).

It is a weird number, because it is abundant, but not a pseudoperfect number.

498890 is a wasteful number, since it uses less digits than its factorization.

498890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7141.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 498890 is about 706.3214565621. The cubic root of 498890 is about 79.3112752428.

The spelling of 498890 in words is "four hundred ninety-eight thousand, eight hundred ninety".