2049273 has 16 divisors (see below), whose sum is σ = 3081600. Its totient is φ = 1345680.

The previous prime is 2049269. The next prime is 2049287. The reversal of 2049273 is 3729402.

It is not a de Polignac number, because 2049273 - 2² = 2049269 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2049263) 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 15 ways as a sum of consecutive naturals, for example, 1383 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (192600).

2^2049273 is an apocalyptic number.

It is an amenable number.

2049273 is a deficient number, since it is larger than the sum of its proper divisors (1032327).

2049273 is a wasteful number, since it uses less digits than its factorization.

2049273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2049273 is about 1431.5282044026. The cubic root of 2049273 is about 127.0183907069.

Adding to 2049273 its sum of digits (27), we get a triangular number (2049300 = T₂₀₂₄).

The spelling of 2049273 in words is "two million, forty-nine thousand, two hundred seventy-three".