492888649 has 16 divisors (see below), whose sum is σ = 548352000. Its totient is φ = 439266960.

The previous prime is 492888647. The next prime is 492888653. The reversal of 492888649 is 946888294.

It is not a de Polignac number, because 492888649 - 2¹ = 492888647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 492888593 and 492888602.

It is not an unprimeable number, because it can be changed into a prime (492888647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 162852 + ... + 165850.

It is an arithmetic number, because the mean of its divisors is an integer number (34272000).

Almost surely, 2^492888649 is an apocalyptic number.

It is an amenable number.

492888649 is a deficient number, since it is larger than the sum of its proper divisors (55463351).

492888649 is a wasteful number, since it uses less digits than its factorization.

492888649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its digits is 7962624, while the sum is 58.

The square root of 492888649 is about 22201.0956711600. The cubic root of 492888649 is about 789.9196889998.

The spelling of 492888649 in words is "four hundred ninety-two million, eight hundred eighty-eight thousand, six hundred forty-nine".