2049729 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 1231760.

The previous prime is 2049727. The next prime is 2049787. The reversal of 2049729 is 9279402.

It is a cyclic number.

It is not a de Polignac number, because 2049729 - 2¹ = 2049727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 2049729.

It is not an unprimeable number, because it can be changed into a prime (2049721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^2049729 is an apocalyptic number.

It is an amenable number.

2049729 is a deficient number, since it is larger than the sum of its proper divisors (956991).

2049729 is a wasteful number, since it uses less digits than its factorization.

2049729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2049729 is about 1431.6874658947. The cubic root of 2049729 is about 127.0278112982.

The spelling of 2049729 in words is "two million, forty-nine thousand, seven hundred twenty-nine".