680090 has 16 divisors (see below), whose sum is σ = 1251072. Its totient is φ = 266064.

The previous prime is 680083. The next prime is 680107. The reversal of 680090 is 90086.

680090 is nontrivially palindromic in base 4.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (78192).

2⁶⁸⁰⁰⁹⁰ is an apocalyptic number.

680090 is a deficient number, since it is larger than the sum of its proper divisors (570982).

680090 is a wasteful number, since it uses less digits than its factorization.

680090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 680090 is about 824.6756938336. The cubic root of 680090 is about 87.9404728276.

The spelling of 680090 in words is "six hundred eighty thousand, ninety".