11640485 has 8 divisors (see below), whose sum is σ = 14113176. Its totient is φ = 9216000.

The previous prime is 11640481. The next prime is 11640491. The reversal of 11640485 is 58404611.

It can be written as a sum of positive squares in 4 ways, for example, as 357604 + 11282881 = 598^2 + 3359^2 .

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

It is not a de Polignac number, because 11640485 - 2² = 11640481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11640481) 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, 11516 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (1764147).

Almost surely, 2^11640485 is an apocalyptic number.

It is an amenable number.

11640485 is a deficient number, since it is larger than the sum of its proper divisors (2472691).

11640485 is an equidigital number, since it uses as much as digits as its factorization.

11640485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 11640485 is about 3411.8154991148. The cubic root of 11640485 is about 226.6332839630.

The spelling of 11640485 in words is "eleven million, six hundred forty thousand, four hundred eighty-five".