680335 has 4 divisors (see below), whose sum is σ = 816408. Its totient is φ = 544264.

The previous prime is 680327. The next prime is 680341. The reversal of 680335 is 533086.

680335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680335 - 2³ = 680327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68029 + ... + 68038.

It is an arithmetic number, because the mean of its divisors is an integer number (204102).

2⁶⁸⁰³³⁵ is an apocalyptic number.

680335 is a deficient number, since it is larger than the sum of its proper divisors (136073).

680335 is a wasteful number, since it uses less digits than its factorization.

680335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136072.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 680335 is about 824.8242236986. The cubic root of 680335 is about 87.9510316405.

The spelling of 680335 in words is "six hundred eighty thousand, three hundred thirty-five".