498935820 has 96 divisors (see below), whose sum is σ = 1476921600. Its totient is φ = 125501184.

The previous prime is 498935813. The next prime is 498935821. The reversal of 498935820 is 28539894.

It is a self number, because there is not a number n which added to its sum of digits gives 498935820.

It is not an unprimeable number, because it can be changed into a prime (498935821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305847 + ... + 307473.

It is an arithmetic number, because the mean of its divisors is an integer number (15384600).

Almost surely, 2^498935820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498935820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738460800).

498935820 is an abundant number, since it is smaller than the sum of its proper divisors (977985780).

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

498935820 is a wasteful number, since it uses less digits than its factorization.

498935820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 498935820 is about 22336.8713118019. The cubic root of 498935820 is about 793.1370325387.

The spelling of 498935820 in words is "four hundred ninety-eight million, nine hundred thirty-five thousand, eight hundred twenty".