2129774 has 8 divisors (see below), whose sum is σ = 3207600. Its totient is φ = 1060576.

The previous prime is 2129773. The next prime is 2129779. The reversal of 2129774 is 4779212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2129774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129773) 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 3 ways as a sum of consecutive naturals, for example, 1499 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (400950).

2^2129774 is an apocalyptic number.

2129774 is a deficient number, since it is larger than the sum of its proper divisors (1077826).

2129774 is a wasteful number, since it uses less digits than its factorization.

2129774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its digits is 7056, while the sum is 32.

The square root of 2129774 is about 1459.3745235545. The cubic root of 2129774 is about 128.6602843741.

The spelling of 2129774 in words is "two million, one hundred twenty-nine thousand, seven hundred seventy-four".