687260 has 24 divisors (see below), whose sum is σ = 1649760. Its totient is φ = 235584.

The previous prime is 687233. The next prime is 687277. The reversal of 687260 is 62786.

It is a congruent number.

It is an unprimeable number.

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, 2315 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (68740).

2⁶⁸⁷²⁶⁰ is an apocalyptic number.

It is an amenable number.

687260 is an abundant number, since it is smaller than the sum of its proper divisors (962500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

687260 is a wasteful number, since it uses less digits than its factorization.

687260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925 (or 4923 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 687260 is about 829.0114595107. The cubic root of 687260 is about 88.2484370836.

The spelling of 687260 in words is "six hundred eighty-seven thousand, two hundred sixty".