498188656 has 20 divisors (see below), whose sum is σ = 1103132272. Its totient is φ = 213509376.

The previous prime is 498188633. The next prime is 498188687. The reversal of 498188656 is 656881894.

It is a junction number, because it is equal to n+sod(n) for n = 498188597 and 498188606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223945 + ... + 2224168.

Almost surely, 2^498188656 is an apocalyptic number.

It is an amenable number.

498188656 is an abundant number, since it is smaller than the sum of its proper divisors (604943616).

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

498188656 is a wasteful number, since it uses less digits than its factorization.

498188656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448128 (or 4448122 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 55.

The square root of 498188656 is about 22320.1401429292. The cubic root of 498188656 is about 792.7409231453.

The spelling of 498188656 in words is "four hundred ninety-eight million, one hundred eighty-eight thousand, six hundred fifty-six".