498098640 has 160 divisors (see below), whose sum is σ = 1760887296. Its totient is φ = 115384320.

The previous prime is 498098581. The next prime is 498098651. The reversal of 498098640 is 46890894.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 498098640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48345 + ... + 57735.

Almost surely, 2^498098640 is an apocalyptic number.

498098640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498098640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880443648).

498098640 is an abundant number, since it is smaller than the sum of its proper divisors (1262788656).

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

498098640 is a wasteful number, since it uses less digits than its factorization.

498098640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 498098640 is about 22318.1235770394. The cubic root of 498098640 is about 792.6931743896.

The spelling of 498098640 in words is "four hundred ninety-eight million, ninety-eight thousand, six hundred forty".