687088 has 10 divisors (see below), whose sum is σ = 1331264. Its totient is φ = 343536.

The previous prime is 687083. The next prime is 687101. The reversal of 687088 is 880786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21456 + ... + 21487.

2⁶⁸⁷⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

687088 is a deficient number, since it is larger than the sum of its proper divisors (644176).

687088 is a wasteful number, since it uses less digits than its factorization.

687088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42951 (or 42945 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 687088 is about 828.9077150081. The cubic root of 687088 is about 88.2410745146.

The spelling of 687088 in words is "six hundred eighty-seven thousand, eighty-eight".