2171008 has 32 divisors (see below), whose sum is σ = 4944960. Its totient is φ = 930048.

The previous prime is 2171003. The next prime is 2171011. The reversal of 2171008 is 8001712.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2171003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (154530).

2^2171008 is an apocalyptic number.

2171008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2171008 is an abundant number, since it is smaller than the sum of its proper divisors (2773952).

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

2171008 is an equidigital number, since it uses as much as digits as its factorization.

2171008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2171008 is about 1473.4340840363. The cubic root of 2171008 is about 129.4853021686.

It can be divided in two parts, 217 and 1008, that added together give a triangular number (1225 = T₄₉).

The spelling of 2171008 in words is "two million, one hundred seventy-one thousand, eight".