2001774 has 32 divisors (see below), whose sum is σ = 4202496. Its totient is φ = 635040.

The previous prime is 2001751. The next prime is 2001787. The reversal of 2001774 is 4771002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001774.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15699 + ... + 15825.

It is an arithmetic number, because the mean of its divisors is an integer number (131328).

2^2001774 is an apocalyptic number.

2001774 is an abundant number, since it is smaller than the sum of its proper divisors (2200722).

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

2001774 is a wasteful number, since it uses less digits than its factorization.

2001774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 2001774 is about 1414.8406270672. The cubic root of 2001774 is about 126.0293456465.

Adding to 2001774 its reverse (4771002), we get a palindrome (6772776).

It can be divided in two parts, 2001 and 774, that added together give a triangular number (2775 = T₇₄).

The spelling of 2001774 in words is "two million, one thousand, seven hundred seventy-four".