682330405 has 8 divisors (see below), whose sum is σ = 838767384. Its totient is φ = 532550400.

The previous prime is 682330403. The next prime is 682330433. The reversal of 682330405 is 504033286.

It can be written as a sum of positive squares in 4 ways, for example, as 45171841 + 637158564 = 6721^2 + 25242^2 .

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

It is not a de Polignac number, because 682330405 - 2¹ = 682330403 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 (682330403) 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, 1664016 + ... + 1664425.

It is an arithmetic number, because the mean of its divisors is an integer number (104845923).

Almost surely, 2^682330405 is an apocalyptic number.

It is an amenable number.

682330405 is a deficient number, since it is larger than the sum of its proper divisors (156436979).

682330405 is a wasteful number, since it uses less digits than its factorization.

682330405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328487.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 682330405 is about 26121.4548790836. The cubic root of 682330405 is about 880.3693374771.

The spelling of 682330405 in words is "six hundred eighty-two million, three hundred thirty thousand, four hundred five".