2985505 has 8 divisors (see below), whose sum is σ = 3623400. Its totient is φ = 2361216.

The previous prime is 2985503. The next prime is 2985511. The reversal of 2985505 is 5055892.

It can be written as a sum of positive squares in 4 ways, for example, as 166464 + 2819041 = 408^2 + 1679^2 .

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 2985505 - 2¹ = 2985503 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910 + ... + 3799.

It is an arithmetic number, because the mean of its divisors is an integer number (452925).

2^2985505 is an apocalyptic number.

It is an amenable number.

2985505 is a deficient number, since it is larger than the sum of its proper divisors (637895).

2985505 is an equidigital number, since it uses as much as digits as its factorization.

2985505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 2985505 is about 1727.8613949041. The cubic root of 2985505 is about 143.9922996140.

The spelling of 2985505 in words is "two million, nine hundred eighty-five thousand, five hundred five".