498185920 has 56 divisors (see below), whose sum is σ = 1200662064. Its totient is φ = 196862976.

The previous prime is 498185893. The next prime is 498185923. The reversal of 498185920 is 29581894.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (498185923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17182 + ... + 35938.

It is an arithmetic number, because the mean of its divisors is an integer number (21440394).

Almost surely, 2^498185920 is an apocalyptic number.

498185920 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 498185920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600331032).

498185920 is an abundant number, since it is smaller than the sum of its proper divisors (702476144).

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

498185920 is a wasteful number, since it uses less digits than its factorization.

498185920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857 (or 18847 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 498185920 is about 22320.0788529073. The cubic root of 498185920 is about 792.7394719259.

The spelling of 498185920 in words is "four hundred ninety-eight million, one hundred eighty-five thousand, nine hundred twenty".