100849 has 4 divisors (see below), whose sum is σ = 115264. Its totient is φ = 86436.

The previous prime is 100847. The next prime is 100853. The reversal of 100849 is 948001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948001 = 61 ⋅15541.

It is not a de Polignac number, because 100849 - 2¹ = 100847 is a prime.

It is a Duffinian number.

100849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (100847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7197 + ... + 7210.

It is an arithmetic number, because the mean of its divisors is an integer number (28816).

2¹⁰⁰⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

100849 is a deficient number, since it is larger than the sum of its proper divisors (14415).

100849 is an equidigital number, since it uses as much as digits as its factorization.

100849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 100849 is about 317.5673156986. The cubic root of 100849 is about 46.5468753034.

It can be divided in two parts, 100 and 849, that added together give a palindrome (949).

The spelling of 100849 in words is "one hundred thousand, eight hundred forty-nine".