498398880 has 384 divisors, whose sum is σ = 1948907520. Its totient is φ = 104509440.

The previous prime is 498398867. The next prime is 498398881. The reversal of 498398880 is 88893894.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 498398880.

It is not an unprimeable number, because it can be changed into a prime (498398881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2361975 + ... + 2362185.

It is an arithmetic number, because the mean of its divisors is an integer number (5075280).

Almost surely, 2^498398880 is an apocalyptic number.

498398880 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 498398880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974453760).

498398880 is an abundant number, since it is smaller than the sum of its proper divisors (1450508640).

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

498398880 is a wasteful number, since it uses less digits than its factorization.

498398880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 498398880 is about 22324.8489356591. The cubic root of 498398880 is about 792.8524135282.

The spelling of 498398880 in words is "four hundred ninety-eight million, three hundred ninety-eight thousand, eight hundred eighty".