2159208 has 24 divisors (see below), whose sum is σ = 5848050. Its totient is φ = 719712.

The previous prime is 2159207. The next prime is 2159231. The reversal of 2159208 is 8029512.

It can be written as a sum of positive squares in only one way, i.e., 1483524 + 675684 = 1218^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2159207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14923 + ... + 15066.

2^2159208 is an apocalyptic number.

It is an amenable number.

2159208 is an abundant number, since it is smaller than the sum of its proper divisors (3688842).

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

2159208 is a wasteful number, since it uses less digits than its factorization.

2159208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30001 (or 29994 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2159208 is about 1469.4243770946. The cubic root of 2159208 is about 129.2502802828.

The spelling of 2159208 in words is "two million, one hundred fifty-nine thousand, two hundred eight".