2002655 has 8 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 1595488.

The previous prime is 2002643. The next prime is 2002661. The reversal of 2002655 is 5562002.

It is a happy number.

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 2002655 - 2¹² = 1998559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

2^2002655 is an apocalyptic number.

2002655 is a deficient number, since it is larger than the sum of its proper divisors (410497).

2002655 is a wasteful number, since it uses less digits than its factorization.

2002655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2002655 is about 1415.1519353059. The cubic root of 2002655 is about 126.0478318441.

Adding to 2002655 its reverse (5562002), we get a palindrome (7564657).

The spelling of 2002655 in words is "two million, two thousand, six hundred fifty-five".