2905085 has 8 divisors (see below), whose sum is σ = 3512376. Its totient is φ = 2306560.

The previous prime is 2905073. The next prime is 2905087. The reversal of 2905085 is 5805092.

It can be written as a sum of positive squares in 4 ways, for example, as 1196836 + 1708249 = 1094^2 + 1307^2 .

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

It is not a de Polignac number, because 2905085 - 2⁴ = 2905069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905087) 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, 1436 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (439047).

2^2905085 is an apocalyptic number.

It is an amenable number.

2905085 is a deficient number, since it is larger than the sum of its proper divisors (607291).

2905085 is a wasteful number, since it uses less digits than its factorization.

2905085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2905085 is about 1704.4309900961. The cubic root of 2905085 is about 142.6876158084.

The spelling of 2905085 in words is "two million, nine hundred five thousand, eighty-five".