11282890 has 8 divisors (see below), whose sum is σ = 20309220. Its totient is φ = 4513152.

The previous prime is 11282879. The next prime is 11282893. The reversal of 11282890 is 9828211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 9 = 3359^2 + 3^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11282893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564135 + ... + 564154.

Almost surely, 2^11282890 is an apocalyptic number.

11282890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11282890 is a deficient number, since it is larger than the sum of its proper divisors (9026330).

11282890 is a wasteful number, since it uses less digits than its factorization.

11282890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128296.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11282890 is about 3359.0013396842. The cubic root of 11282890 is about 224.2883854721.

The spelling of 11282890 in words is "eleven million, two hundred eighty-two thousand, eight hundred ninety".