11284649 has 2 divisors, whose sum is σ = 11284650. Its totient is φ = 11284648.

The previous prime is 11284643. The next prime is 11284739. The reversal of 11284649 is 94648211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 4129024 = 2675^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11284649 - 2⁴ = 11284633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11284643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5642324 + 5642325.

It is an arithmetic number, because the mean of its divisors is an integer number (5642325).

Almost surely, 2^11284649 is an apocalyptic number.

It is an amenable number.

11284649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11284649 is an equidigital number, since it uses as much as digits as its factorization.

11284649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 11284649 is about 3359.2631632547. The cubic root of 11284649 is about 224.3000403693.

The spelling of 11284649 in words is "eleven million, two hundred eighty-four thousand, six hundred forty-nine".