498475820 has 24 divisors (see below), whose sum is σ = 1048572000. Its totient is φ = 199052672.

The previous prime is 498475807. The next prime is 498475841. The reversal of 498475820 is 28574894.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 32784.

It is an arithmetic number, because the mean of its divisors is an integer number (43690500).

Almost surely, 2^498475820 is an apocalyptic number.

It is an amenable number.

498475820 is an abundant number, since it is smaller than the sum of its proper divisors (550096180).

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

498475820 is a wasteful number, since it uses less digits than its factorization.

498475820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42217 (or 42215 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 498475820 is about 22326.5720611114. The cubic root of 498475820 is about 792.8932101193.

The spelling of 498475820 in words is "four hundred ninety-eight million, four hundred seventy-five thousand, eight hundred twenty".