2698655 has 8 divisors (see below), whose sum is σ = 3249312. Its totient is φ = 2151648.

The previous prime is 2698651. The next prime is 2698667. The reversal of 2698655 is 5568962.

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 2698655 - 2² = 2698651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698651) 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 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (406164).

2^2698655 is an apocalyptic number.

2698655 is a deficient number, since it is larger than the sum of its proper divisors (550657).

2698655 is a wasteful number, since it uses less digits than its factorization.

2698655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its digits is 129600, while the sum is 41.

The square root of 2698655 is about 1642.7583510669. The cubic root of 2698655 is about 139.2245391791.

The spelling of 2698655 in words is "two million, six hundred ninety-eight thousand, six hundred fifty-five".