11884949 has 4 divisors (see below), whose sum is σ = 11893740. Its totient is φ = 11876160.

The previous prime is 11884933. The next prime is 11884963. The reversal of 11884949 is 94948811.

11884949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94948811 = 53 ⋅1791487.

It can be written as a sum of positive squares in 2 ways, for example, as 2582449 + 9302500 = 1607^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 11884949 - 2⁴ = 11884933 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 (11884909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (2973435).

Almost surely, 2^11884949 is an apocalyptic number.

It is an amenable number.

11884949 is a deficient number, since it is larger than the sum of its proper divisors (8791).

11884949 is an equidigital number, since it uses as much as digits as its factorization.

11884949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its digits is 82944, while the sum is 44.

The square root of 11884949 is about 3447.4554384357. The cubic root of 11884949 is about 228.2088281151.

The spelling of 11884949 in words is "eleven million, eight hundred eighty-four thousand, nine hundred forty-nine".