11243290 has 16 divisors (see below), whose sum is σ = 21428712. Its totient is φ = 4232704.

The previous prime is 11243237. The next prime is 11243291. The reversal of 11243290 is 9234211.

It can be written as a sum of positive squares in 4 ways, for example, as 11015761 + 227529 = 3319^2 + 477^2 .

It is not an unprimeable number, because it can be changed into a prime (11243291) 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, 32899 + ... + 33238.

Almost surely, 2^11243290 is an apocalyptic number.

11243290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11243290 is a deficient number, since it is larger than the sum of its proper divisors (10185422).

11243290 is a wasteful number, since it uses less digits than its factorization.

11243290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66161.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11243290 is about 3353.1015493122. The cubic root of 11243290 is about 224.0256799853.

The spelling of 11243290 in words is "eleven million, two hundred forty-three thousand, two hundred ninety".