682663 has 8 divisors (see below), whose sum is σ = 724608. Its totient is φ = 641784.

The previous prime is 682657. The next prime is 682673. The reversal of 682663 is 366286.

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

It is a cyclic number.

It is not a de Polignac number, because 682663 - 2⁹ = 682151 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 (682673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (90576).

2⁶⁸²⁶⁶³ is an apocalyptic number.

682663 is a deficient number, since it is larger than the sum of its proper divisors (41945).

682663 is a wasteful number, since it uses less digits than its factorization.

682663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its digits is 10368, while the sum is 31.

The square root of 682663 is about 826.2342282912. The cubic root of 682663 is about 88.0512356595.

It can be divided in two parts, 6826 and 63, that added together give a square (6889 = 83²).

The spelling of 682663 in words is "six hundred eighty-two thousand, six hundred sixty-three".