11283891 has 8 divisors (see below), whose sum is σ = 15837120. Its totient is φ = 7126632.

The previous prime is 11283889. The next prime is 11283893. The reversal of 11283891 is 19838211.

It is an interprime number because it is at equal distance from previous prime (11283889) and next prime (11283893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11283891 - 2¹ = 11283889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11283893) 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 7 ways as a sum of consecutive naturals, for example, 98925 + ... + 99038.

It is an arithmetic number, because the mean of its divisors is an integer number (1979640).

Almost surely, 2^11283891 is an apocalyptic number.

11283891 is a deficient number, since it is larger than the sum of its proper divisors (4553229).

11283891 is a wasteful number, since it uses less digits than its factorization.

11283891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197985.

The product of its digits is 3456, while the sum is 33.

The square root of 11283891 is about 3359.1503389994. The cubic root of 11283891 is about 224.2950181119.

The spelling of 11283891 in words is "eleven million, two hundred eighty-three thousand, eight hundred ninety-one".