492332985 has 20 divisors (see below), whose sum is σ = 882553188. Its totient is φ = 262577376.

The previous prime is 492332947. The next prime is 492332987. The reversal of 492332985 is 589233294.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 161493264 + 330839721 = 12708^2 + 18189^2 .

It is not a de Polignac number, because 492332985 - 2¹⁵ = 492300217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 492332985.

It is not an unprimeable number, because it can be changed into a prime (492332987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 607414 + ... + 608223.

Almost surely, 2^492332985 is an apocalyptic number.

492332985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492332985 is a deficient number, since it is larger than the sum of its proper divisors (390220203).

492332985 is a wasteful number, since it uses less digits than its factorization.

492332985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215654 (or 1215645 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 492332985 is about 22188.5778048076. The cubic root of 492332985 is about 789.6227355313.

The spelling of 492332985 in words is "four hundred ninety-two million, three hundred thirty-two thousand, nine hundred eighty-five".