492474892 has 72 divisors (see below), whose sum is σ = 1084711824. Its totient is φ = 193915008.

The previous prime is 492474881. The next prime is 492474901. The reversal of 492474892 is 298474294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 23 ways as a sum of consecutive naturals, for example, 883878 + ... + 884434.

It is an arithmetic number, because the mean of its divisors is an integer number (15065442).

Almost surely, 2^492474892 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 492474892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542355912).

492474892 is an abundant number, since it is smaller than the sum of its proper divisors (592236932).

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

492474892 is a wasteful number, since it uses less digits than its factorization.

492474892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 926 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 492474892 is about 22191.7753233039. The cubic root of 492474892 is about 789.6985935602.

The spelling of 492474892 in words is "four hundred ninety-two million, four hundred seventy-four thousand, eight hundred ninety-two".