2091774 has 8 divisors (see below), whose sum is σ = 4183560. Its totient is φ = 697256.

The previous prime is 2091773. The next prime is 2091797. The reversal of 2091774 is 4771902.

It is a sphenic number, since it is the product of 3 distinct primes.

2091774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174309 + ... + 174320.

It is an arithmetic number, because the mean of its divisors is an integer number (522945).

2^2091774 is an apocalyptic number.

2091774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2091774 is a wasteful number, since it uses less digits than its factorization.

2091774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348634.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2091774 is about 1446.2966500687. The cubic root of 2091774 is about 127.8904906468.

The spelling of 2091774 in words is "two million, ninety-one thousand, seven hundred seventy-four".