2656002 has 16 divisors (see below), whose sum is σ = 5343840. Its totient is φ = 880032.

The previous prime is 2655977. The next prime is 2656009. The reversal of 2656002 is 2006562.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2656002.

It is not an unprimeable number, because it can be changed into a prime (2656009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (333990).

2^2656002 is an apocalyptic number.

2656002 is an abundant number, since it is smaller than the sum of its proper divisors (2687838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2656002 is a wasteful number, since it uses less digits than its factorization.

2656002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2656002 is about 1629.7245165978. The cubic root of 2656002 is about 138.4871462134.

The spelling of 2656002 in words is "two million, six hundred fifty-six thousand, two".