682684387 has 16 divisors (see below), whose sum is σ = 878598144. Its totient is φ = 514800000.

The previous prime is 682684363. The next prime is 682684403. The reversal of 682684387 is 783486286.

It is not a de Polignac number, because 682684387 - 2¹¹ = 682682339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682684337) 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 15 ways as a sum of consecutive naturals, for example, 140614 + ... + 145387.

It is an arithmetic number, because the mean of its divisors is an integer number (54912384).

Almost surely, 2^682684387 is an apocalyptic number.

682684387 is a deficient number, since it is larger than the sum of its proper divisors (195913757).

682684387 is a wasteful number, since it uses less digits than its factorization.

682684387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286050.

The product of its digits is 3096576, while the sum is 52.

The square root of 682684387 is about 26128.2296951018. The cubic root of 682684387 is about 880.5215516252.

The spelling of 682684387 in words is "six hundred eighty-two million, six hundred eighty-four thousand, three hundred eighty-seven".