498684420 has 144 divisors (see below), whose sum is σ = 1660185072. Its totient is φ = 120407040.

The previous prime is 498684397. The next prime is 498684451. The reversal of 498684420 is 24486894.

It can be written as a sum of positive squares in 8 ways, for example, as 83503044 + 415181376 = 9138^2 + 20376^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 122010 + ... + 126030.

It is an arithmetic number, because the mean of its divisors is an integer number (11529063).

Almost surely, 2^498684420 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 498684420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830092536).

498684420 is an abundant number, since it is smaller than the sum of its proper divisors (1161500652).

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

498684420 is a wasteful number, since it uses less digits than its factorization.

498684420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 498684420 is about 22331.2431360191. The cubic root of 498684420 is about 793.0037968658.

The spelling of 498684420 in words is "four hundred ninety-eight million, six hundred eighty-four thousand, four hundred twenty".