2172049 has 8 divisors (see below), whose sum is σ = 2380320. Its totient is φ = 1965600.

The previous prime is 2172047. The next prime is 2172067. The reversal of 2172049 is 9402712.

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

It is a cyclic number.

It is not a de Polignac number, because 2172049 - 2¹ = 2172047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (297540).

2^2172049 is an apocalyptic number.

It is an amenable number.

2172049 is a deficient number, since it is larger than the sum of its proper divisors (208271).

2172049 is a wasteful number, since it uses less digits than its factorization.

2172049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2172049 is about 1473.7872980861. The cubic root of 2172049 is about 129.5059949621.

The spelling of 2172049 in words is "two million, one hundred seventy-two thousand, forty-nine".