2091364 has 36 divisors (see below), whose sum is σ = 4189500. Its totient is φ = 911680.

The previous prime is 2091361. The next prime is 2091379. The reversal of 2091364 is 4631902.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 1464100 = 792^2 + 1210^2 .

It is not an unprimeable number, because it can be changed into a prime (2091361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13962 + ... + 14110.

It is an arithmetic number, because the mean of its divisors is an integer number (116375).

2^2091364 is an apocalyptic number.

It is an amenable number.

2091364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2091364 is a wasteful number, since it uses less digits than its factorization.

2091364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2091364 is about 1446.1549017999. The cubic root of 2091364 is about 127.8821343382.

The spelling of 2091364 in words is "two million, ninety-one thousand, three hundred sixty-four".