930861 has 12 divisors (see below), whose sum is σ = 1352988. Its totient is φ = 616704.

The previous prime is 930859. The next prime is 930863. The reversal of 930861 is 168039.

930861 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 (930859) and next prime (930863).

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 260100 = 819^2 + 510^2 .

It is not a de Polignac number, because 930861 - 2¹ = 930859 is a prime.

930861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930863) 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, 2461 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (112749).

2⁹³⁰⁸⁶¹ is an apocalyptic number.

It is an amenable number.

930861 is a deficient number, since it is larger than the sum of its proper divisors (422127).

930861 is a wasteful number, since it uses less digits than its factorization.

930861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 649 counting only the distinct ones).

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

The square root of 930861 is about 964.8113805299. The cubic root of 930861 is about 97.6401141319.

The spelling of 930861 in words is "nine hundred thirty thousand, eight hundred sixty-one".