930681 has 6 divisors (see below), whose sum is σ = 1344330. Its totient is φ = 620448.

The previous prime is 930667. The next prime is 930689. The reversal of 930681 is 186039.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 147456 = 885^2 + 384^2 .

It is not a de Polignac number, because 930681 - 2⁶ = 930617 is a prime.

It is a super-2 number, since 2×930681² = 1732334247522, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 930681.

It is not an unprimeable number, because it can be changed into a prime (930689) 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, 51696 + ... + 51713.

It is an arithmetic number, because the mean of its divisors is an integer number (224055).

2⁹³⁰⁶⁸¹ is an apocalyptic number.

It is an amenable number.

930681 is a deficient number, since it is larger than the sum of its proper divisors (413649).

930681 is a wasteful number, since it uses less digits than its factorization.

930681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103415 (or 103412 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 930681 is about 964.7180935382. The cubic root of 930681 is about 97.6338201906.

The spelling of 930681 in words is "nine hundred thirty thousand, six hundred eighty-one".