11029985 has 8 divisors (see below), whose sum is σ = 13282920. Its totient is φ = 8792704.

The previous prime is 11029981. The next prime is 11029999. The reversal of 11029985 is 58992011.

It can be written as a sum of positive squares in 4 ways, for example, as 2637376 + 8392609 = 1624^2 + 2897^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11029985 - 2² = 11029981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11029981) 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 7 ways as a sum of consecutive naturals, for example, 2300 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (1660365).

Almost surely, 2^11029985 is an apocalyptic number.

It is an amenable number.

11029985 is a deficient number, since it is larger than the sum of its proper divisors (2252935).

11029985 is an equidigital number, since it uses as much as digits as its factorization.

11029985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 11029985 is about 3321.1421228246. The cubic root of 11029985 is about 222.5999046365.

The spelling of 11029985 in words is "eleven million, twenty-nine thousand, nine hundred eighty-five".