492899820 has 144 divisors (see below), whose sum is σ = 1613364480. Its totient is φ = 112108416.

The previous prime is 492899801. The next prime is 492899837. The reversal of 492899820 is 28998294.

492899820 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055227 + ... + 1055693.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^492899820 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 492899820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806682240).

492899820 is an abundant number, since it is smaller than the sum of its proper divisors (1120464660).

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

492899820 is a wasteful number, since it uses less digits than its factorization.

492899820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 492899820 is about 22201.3472564167. The cubic root of 492899820 is about 789.9256566264.

The spelling of 492899820 in words is "four hundred ninety-two million, eight hundred ninety-nine thousand, eight hundred twenty".