93861 has 6 divisors (see below), whose sum is σ = 135590. Its totient is φ = 62568.

The previous prime is 93851. The next prime is 93871. The reversal of 93861 is 16839.

It is an interprime number because it is at equal distance from previous prime (93851) and next prime (93871).

It can be written as a sum of positive squares in only one way, i.e., 93636 + 225 = 306^2 + 15^2 .

It is not a de Polignac number, because 93861 - 2¹¹ = 91813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93811) 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, 5206 + ... + 5223.

2⁹³⁸⁶¹ is an apocalyptic number.

It is an amenable number.

93861 is a deficient number, since it is larger than the sum of its proper divisors (41729).

93861 is a wasteful number, since it uses less digits than its factorization.

93861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10435 (or 10432 counting only the distinct ones).

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

The square root of 93861 is about 306.3674264670. The cubic root of 93861 is about 45.4459366727.

It can be divided in two parts, 938 and 61, that added together give a palindrome (999).

The spelling of 93861 in words is "ninety-three thousand, eight hundred sixty-one".