680416 has 24 divisors (see below), whose sum is σ = 1462104. Its totient is φ = 309120.

The previous prime is 680411. The next prime is 680417. The reversal of 680416 is 614086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680411) by changing a digit.

680416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (60921).

2⁶⁸⁰⁴¹⁶ is an apocalyptic number.

It is an amenable number.

680416 is an abundant number, since it is smaller than the sum of its proper divisors (781688).

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

680416 is a wasteful number, since it uses less digits than its factorization.

680416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 680416 is about 824.8733236079. The cubic root of 680416 is about 87.9545219557.

The spelling of 680416 in words is "six hundred eighty thousand, four hundred sixteen".