2091382 has 4 divisors (see below), whose sum is σ = 3137076. Its totient is φ = 1045690.

The previous prime is 2091379. The next prime is 2091389. The reversal of 2091382 is 2831902.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522844 + ... + 522847.

It is an arithmetic number, because the mean of its divisors is an integer number (784269).

2^2091382 is an apocalyptic number.

2091382 is a deficient number, since it is larger than the sum of its proper divisors (1045694).

2091382 is a wasteful number, since it uses less digits than its factorization.

2091382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045693.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2091382 is about 1446.1611251863. The cubic root of 2091382 is about 127.8825012234.

The spelling of 2091382 in words is "two million, ninety-one thousand, three hundred eighty-two".