492881856 has 112 divisors (see below), whose sum is σ = 1343460864. Its totient is φ = 159399936.

The previous prime is 492881849. The next prime is 492881887. The reversal of 492881856 is 658188294.

It is a junction number, because it is equal to n+sod(n) for n = 492881799 and 492881808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741491 + ... + 1741773.

Almost surely, 2^492881856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492881856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671730432).

492881856 is an abundant number, since it is smaller than the sum of its proper divisors (850579008).

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

492881856 is a wasteful number, since it uses less digits than its factorization.

492881856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 528 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 492881856 is about 22200.9426826880. The cubic root of 492881856 is about 789.9160600875.

The spelling of 492881856 in words is "four hundred ninety-two million, eight hundred eighty-one thousand, eight hundred fifty-six".