687482 has 8 divisors (see below), whose sum is σ = 1035936. Its totient is φ = 342172.

The previous prime is 687481. The next prime is 687499. The reversal of 687482 is 284786.

687482 is nontrivially palindromic in base 16.

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

It is not an unprimeable number, because it can be changed into a prime (687481) 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 3 ways as a sum of consecutive naturals, for example, 128 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (129492).

2⁶⁸⁷⁴⁸² is an apocalyptic number.

687482 is a deficient number, since it is larger than the sum of its proper divisors (348454).

687482 is a wasteful number, since it uses less digits than its factorization.

687482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572.

The product of its digits is 21504, while the sum is 35.

The square root of 687482 is about 829.1453431094. The cubic root of 687482 is about 88.2579381186.

The spelling of 687482 in words is "six hundred eighty-seven thousand, four hundred eighty-two".