682431785 has 8 divisors (see below), whose sum is σ = 935906496. Its totient is φ = 467953200.

The previous prime is 682431719. The next prime is 682431787. The reversal of 682431785 is 587134286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 682431785 - 2¹⁶ = 682366249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682431787) 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 7 ways as a sum of consecutive naturals, for example, 9748991 + ... + 9749060.

It is an arithmetic number, because the mean of its divisors is an integer number (116988312).

Almost surely, 2^682431785 is an apocalyptic number.

It is an amenable number.

682431785 is a deficient number, since it is larger than the sum of its proper divisors (253474711).

682431785 is a wasteful number, since it uses less digits than its factorization.

682431785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19498063.

The product of its digits is 322560, while the sum is 44.

The square root of 682431785 is about 26123.3953574186. The cubic root of 682431785 is about 880.4129367963.

The spelling of 682431785 in words is "six hundred eighty-two million, four hundred thirty-one thousand, seven hundred eighty-five".