498021636 has 24 divisors (see below), whose sum is σ = 1328057920. Its totient is φ = 142291872.

The previous prime is 498021631. The next prime is 498021637. The reversal of 498021636 is 636120894.

It is a junction number, because it is equal to n+sod(n) for n = 498021594 and 498021603.

It is not an unprimeable number, because it can be changed into a prime (498021631) 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, 2964331 + ... + 2964498.

Almost surely, 2^498021636 is an apocalyptic number.

It is an amenable number.

498021636 is an abundant number, since it is smaller than the sum of its proper divisors (830036284).

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

498021636 is a wasteful number, since it uses less digits than its factorization.

498021636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928843 (or 5928841 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 498021636 is about 22316.3983653277. The cubic root of 498021636 is about 792.6523232501.

The spelling of 498021636 in words is "four hundred ninety-eight million, twenty-one thousand, six hundred thirty-six".