2685898 has 16 divisors (see below), whose sum is σ = 4298184. Its totient is φ = 1254400.

The previous prime is 2685887. The next prime is 2685901. The reversal of 2685898 is 8985862.

It is a happy number.

2685898 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 4 ways, for example, as 2241009 + 444889 = 1497^2 + 667^2 .

It is an unprimeable number.

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, 6498 + ... + 6898.

2^2685898 is an apocalyptic number.

2685898 is a deficient number, since it is larger than the sum of its proper divisors (1612286).

2685898 is a wasteful number, since it uses less digits than its factorization.

2685898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its digits is 276480, while the sum is 46.

The square root of 2685898 is about 1638.8709528209. The cubic root of 2685898 is about 139.0048132488.

The spelling of 2685898 in words is "two million, six hundred eighty-five thousand, eight hundred ninety-eight".