492071820 has 24 divisors (see below), whose sum is σ = 1377801264. Its totient is φ = 131219136.

The previous prime is 492071813. The next prime is 492071831. The reversal of 492071820 is 28170294.

It is a happy number.

It is a super-2 number, since 2×492071820² = 484269352076224800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100539 + ... + 4100658.

It is an arithmetic number, because the mean of its divisors is an integer number (57408386).

Almost surely, 2^492071820 is an apocalyptic number.

It is an amenable number.

492071820 is an abundant number, since it is smaller than the sum of its proper divisors (885729444).

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

492071820 is a wasteful number, since it uses less digits than its factorization.

492071820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201209 (or 8201207 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 492071820 is about 22182.6919015705. The cubic root of 492071820 is about 789.4830886505.

The spelling of 492071820 in words is "four hundred ninety-two million, seventy-one thousand, eight hundred twenty".