11854849 has 4 divisors (see below), whose sum is σ = 11892564. Its totient is φ = 11817136.

The previous prime is 11854847. The next prime is 11854853. The reversal of 11854849 is 94845811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94845811 = 1493 ⋅63527.

It can be written as a sum of positive squares in 2 ways, for example, as 1774224 + 10080625 = 1332^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 11854849 - 2¹ = 11854847 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11854847) 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, 18382 + ... + 19015.

It is an arithmetic number, because the mean of its divisors is an integer number (2973141).

Almost surely, 2^11854849 is an apocalyptic number.

It is an amenable number.

11854849 is a deficient number, since it is larger than the sum of its proper divisors (37715).

11854849 is an equidigital number, since it uses as much as digits as its factorization.

11854849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37714.

The product of its digits is 46080, while the sum is 40.

The square root of 11854849 is about 3443.0871322114. The cubic root of 11854849 is about 228.0160102126.

The spelling of 11854849 in words is "eleven million, eight hundred fifty-four thousand, eight hundred forty-nine".