492397648 has 10 divisors (see below), whose sum is σ = 954020474. Its totient is φ = 246198816.

The previous prime is 492397589. The next prime is 492397651. The reversal of 492397648 is 846793294.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 476461584 + 15936064 = 21828^2 + 3992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 492397595 and 492397604.

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 as a sum of consecutive naturals, namely, 15387411 + ... + 15387442.

Almost surely, 2^492397648 is an apocalyptic number.

It is an amenable number.

492397648 is a deficient number, since it is larger than the sum of its proper divisors (461622826).

492397648 is a wasteful number, since it uses less digits than its factorization.

492397648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30774861 (or 30774855 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 492397648 is about 22190.0348805494. The cubic root of 492397648 is about 789.6573036937.

The spelling of 492397648 in words is "four hundred ninety-two million, three hundred ninety-seven thousand, six hundred forty-eight".