680238 has 80 divisors (see below), whose sum is σ = 1829520. Its totient is φ = 186624.

The previous prime is 680237. The next prime is 680249. The reversal of 680238 is 832086.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680238.

It is not an unprimeable number, because it can be changed into a prime (680237) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35793 + ... + 35811.

It is an arithmetic number, because the mean of its divisors is an integer number (22869).

2⁶⁸⁰²³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914760).

680238 is an abundant number, since it is smaller than the sum of its proper divisors (1149282).

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

680238 is a wasteful number, since it uses less digits than its factorization.

680238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 680238 is about 824.7654211956. The cubic root of 680238 is about 87.9468515157.

The spelling of 680238 in words is "six hundred eighty thousand, two hundred thirty-eight".