681414 has 12 divisors (see below), whose sum is σ = 1366884. Its totient is φ = 226464.

The previous prime is 681409. The next prime is 681419. The reversal of 681414 is 414186.

681414 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 (681409) and next prime (681419).

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 681414.

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 5 ways as a sum of consecutive naturals, for example, 1854 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (113907).

2⁶⁸¹⁴¹⁴ is an apocalyptic number.

681414 is an abundant number, since it is smaller than the sum of its proper divisors (685470).

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

681414 is an equidigital number, since it uses as much as digits as its factorization.

681414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 342 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 681414 is about 825.4780433179. The cubic root of 681414 is about 87.9975033727.

Multiplying 681414 by its sum of digits (24), we get a square (16353936 = 4044²).

The spelling of 681414 in words is "six hundred eighty-one thousand, four hundred fourteen".