2155002 has 8 divisors (see below), whose sum is σ = 4310016. Its totient is φ = 718332.

The previous prime is 2154979. The next prime is 2155003. The reversal of 2155002 is 2005512.

2155002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2155002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2155003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179578 + ... + 179589.

It is an arithmetic number, because the mean of its divisors is an integer number (538752).

2^2155002 is an apocalyptic number.

2155002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2155002 is a wasteful number, since it uses less digits than its factorization.

2155002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359172.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2155002 is about 1467.9925067929. The cubic root of 2155002 is about 129.1663019530.

The spelling of 2155002 in words is "two million, one hundred fifty-five thousand, two".