498019986 has 24 divisors (see below), whose sum is σ = 1094243904. Its totient is φ = 163668120.

The previous prime is 498019961. The next prime is 498020009. The reversal of 498019986 is 689910894.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193566 + ... + 196121.

It is an arithmetic number, because the mean of its divisors is an integer number (45593496).

Almost surely, 2^498019986 is an apocalyptic number.

498019986 is an abundant number, since it is smaller than the sum of its proper divisors (596223918).

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

498019986 is a wasteful number, since it uses less digits than its factorization.

498019986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389766 (or 389763 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 498019986 is about 22316.3613969661. The cubic root of 498019986 is about 792.6514478680.

The spelling of 498019986 in words is "four hundred ninety-eight million, nineteen thousand, nine hundred eighty-six".