492305856 has 224 divisors, whose sum is σ = 1632752640. Its totient is φ = 127647744.

The previous prime is 492305851. The next prime is 492305861. The reversal of 492305856 is 658503294.

It is an interprime number because it is at equal distance from previous prime (492305851) and next prime (492305861).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492305851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662221 + ... + 662963.

Almost surely, 2^492305856 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 492305856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816376320).

492305856 is an abundant number, since it is smaller than the sum of its proper divisors (1140446784).

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

492305856 is a wasteful number, since it uses less digits than its factorization.

492305856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 492305856 is about 22187.9664683359. The cubic root of 492305856 is about 789.6082317508.

The spelling of 492305856 in words is "four hundred ninety-two million, three hundred five thousand, eight hundred fifty-six".