2898805 has 32 divisors (see below), whose sum is σ = 4483584. Its totient is φ = 1748736.

The previous prime is 2898803. The next prime is 2898809. The reversal of 2898805 is 5088982.

It is a happy number.

It is not a de Polignac number, because 2898805 - 2¹ = 2898803 is a prime.

It is a super-3 number, since 3×2898805³ = 73076587716333030375, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2898803) 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 31 ways as a sum of consecutive naturals, for example, 10327 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (140112).

2^2898805 is an apocalyptic number.

It is an amenable number.

2898805 is a deficient number, since it is larger than the sum of its proper divisors (1584779).

2898805 is a wasteful number, since it uses less digits than its factorization.

2898805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 2898805 is about 1702.5877363590. The cubic root of 2898805 is about 142.5847244190.

The spelling of 2898805 in words is "two million, eight hundred ninety-eight thousand, eight hundred five".