2985605 has 8 divisors (see below), whose sum is σ = 4094592. Its totient is φ = 2047248.

The previous prime is 2985601. The next prime is 2985611. The reversal of 2985605 is 5065892.

2985605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2985605 - 2² = 2985601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 85303 = 2985605 / (2 + 9 + 8 + 5 + 6 + 0 + 5).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985601) 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, 42617 + ... + 42686.

It is an arithmetic number, because the mean of its divisors is an integer number (511824).

2^2985605 is an apocalyptic number.

It is an amenable number.

2985605 is a deficient number, since it is larger than the sum of its proper divisors (1108987).

2985605 is an equidigital number, since it uses as much as digits as its factorization.

2985605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85315.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2985605 is about 1727.8903321681. The cubic root of 2985605 is about 143.9939072782.

The spelling of 2985605 in words is "two million, nine hundred eighty-five thousand, six hundred five".