492826509 has 24 divisors (see below), whose sum is σ = 814137792. Its totient is φ = 281413440.

The previous prime is 492826507. The next prime is 492826513. The reversal of 492826509 is 905628294.

It is not a de Polignac number, because 492826509 - 2¹ = 492826507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492826507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164394 + ... + 167364.

It is an arithmetic number, because the mean of its divisors is an integer number (33922408).

Almost surely, 2^492826509 is an apocalyptic number.

It is an amenable number.

492826509 is a deficient number, since it is larger than the sum of its proper divisors (321311283).

492826509 is a wasteful number, since it uses less digits than its factorization.

492826509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617 (or 5614 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 492826509 is about 22199.6961465692. The cubic root of 492826509 is about 789.8864917300.

The spelling of 492826509 in words is "four hundred ninety-two million, eight hundred twenty-six thousand, five hundred nine".