681462 has 36 divisors (see below), whose sum is σ = 1580436. Its totient is φ = 212160.

The previous prime is 681451. The next prime is 681481. The reversal of 681462 is 264186.

It is a congruent number.

It is an unprimeable number.

681462 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 17 ways as a sum of consecutive naturals, for example, 5137 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (43901).

2⁶⁸¹⁴⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 681462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790218).

681462 is an abundant number, since it is smaller than the sum of its proper divisors (898974).

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

681462 is a wasteful number, since it uses less digits than its factorization.

681462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 153 counting only the distinct ones).

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

The square root of 681462 is about 825.5071168682. The cubic root of 681462 is about 87.9995695571. Note that the first 3 decimals are identical.

The spelling of 681462 in words is "six hundred eighty-one thousand, four hundred sixty-two".