111846 has 16 divisors (see below), whose sum is σ = 255744. Its totient is φ = 31944.

The previous prime is 111833. The next prime is 111847. The reversal of 111846 is 648111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (15984).

2¹¹¹⁸⁴⁶ is an apocalyptic number.

111846 is an abundant number, since it is smaller than the sum of its proper divisors (143898).

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

111846 is a wasteful number, since it uses less digits than its factorization.

111846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its digits is 192, while the sum is 21.

The square root of 111846 is about 334.4338499614. The cubic root of 111846 is about 48.1807421791.

Adding to 111846 its reverse (648111), we get a palindrome (759957).

The spelling of 111846 in words is "one hundred eleven thousand, eight hundred forty-six".