681410 has 8 divisors (see below), whose sum is σ = 1226556. Its totient is φ = 272560.

The previous prime is 681409. The next prime is 681419. The reversal of 681410 is 14186.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 120409 = 749^2 + 347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 681410.

It is not an unprimeable number, because it can be changed into a prime (681419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34061 + ... + 34080.

2⁶⁸¹⁴¹⁰ is an apocalyptic number.

681410 is a deficient number, since it is larger than the sum of its proper divisors (545146).

681410 is a wasteful number, since it uses less digits than its factorization.

681410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68148.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 681410 is about 825.4756204759. The cubic root of 681410 is about 87.9973311863.

Adding to 681410 its reverse (14186), we get a palindrome (695596).

The spelling of 681410 in words is "six hundred eighty-one thousand, four hundred ten".