680350 has 24 divisors (see below), whose sum is σ = 1381608. Its totient is φ = 247200.

The previous prime is 680347. The next prime is 680353. The reversal of 680350 is 53086.

680350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680347) and next prime (680353).

It is a super-2 number, since 2×680350² = 925752245000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) 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 (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (57567).

2⁶⁸⁰³⁵⁰ is an apocalyptic number.

680350 is an abundant number, since it is smaller than the sum of its proper divisors (701258).

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

680350 is a wasteful number, since it uses less digits than its factorization.

With its successor (680351) it forms an eRAP, since the sums of their prime factors are consecutive (1260 and 1261).

680350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 680350 is about 824.8333164949. The cubic root of 680350 is about 87.9516780161.

Subtracting from 680350 its reverse (53086), we obtain a square (627264 = 792²).

The spelling of 680350 in words is "six hundred eighty thousand, three hundred fifty".