2171382 has 16 divisors (see below), whose sum is σ = 4460592. Its totient is φ = 704160.

The previous prime is 2171347. The next prime is 2171383. The reversal of 2171382 is 2831712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4669 + ... + 5112.

It is an arithmetic number, because the mean of its divisors is an integer number (278787).

2^2171382 is an apocalyptic number.

2171382 is an abundant number, since it is smaller than the sum of its proper divisors (2289210).

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

2171382 is a wasteful number, since it uses less digits than its factorization.

2171382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9823.

The product of its digits is 672, while the sum is 24.

The square root of 2171382 is about 1473.5609929691. The cubic root of 2171382 is about 129.4927372283.

The spelling of 2171382 in words is "two million, one hundred seventy-one thousand, three hundred eighty-two".