492723685 has 4 divisors (see below), whose sum is σ = 591268428. Its totient is φ = 394178944.

The previous prime is 492723683. The next prime is 492723697. The reversal of 492723685 is 586327294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237714724 + 255008961 = 15418^2 + 15969^2 .

It is a cyclic number.

It is not a de Polignac number, because 492723685 - 2¹ = 492723683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492723683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49272364 + ... + 49272373.

It is an arithmetic number, because the mean of its divisors is an integer number (147817107).

Almost surely, 2^492723685 is an apocalyptic number.

It is an amenable number.

492723685 is a deficient number, since it is larger than the sum of its proper divisors (98544743).

492723685 is an equidigital number, since it uses as much as digits as its factorization.

492723685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98544742.

The product of its digits is 725760, while the sum is 46.

The square root of 492723685 is about 22197.3801382055. The cubic root of 492723685 is about 789.8315535747.

The spelling of 492723685 in words is "four hundred ninety-two million, seven hundred twenty-three thousand, six hundred eighty-five".