680192 has 18 divisors (see below), whose sum is σ = 1358238. Its totient is φ = 339968.

The previous prime is 680189. The next prime is 680203. The reversal of 680192 is 291086.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 65536 = 784^2 + 256^2 .

It is a super-2 number, since 2×680192² = 925322313728, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073 + ... + 1584.

2⁶⁸⁰¹⁹² is an apocalyptic number.

It is an amenable number.

680192 is a deficient number, since it is larger than the sum of its proper divisors (678046).

680192 is an equidigital number, since it uses as much as digits as its factorization.

680192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 680192 is about 824.7375340070. The cubic root of 680192 is about 87.9448690496.

The spelling of 680192 in words is "six hundred eighty thousand, one hundred ninety-two".