2172093 has 16 divisors (see below), whose sum is σ = 3611136. Its totient is φ = 1128240.

The previous prime is 2172091. The next prime is 2172109. The reversal of 2172093 is 3902712.

It is not a de Polignac number, because 2172093 - 2¹ = 2172091 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (225696).

2^2172093 is an apocalyptic number.

It is an amenable number.

2172093 is a deficient number, since it is larger than the sum of its proper divisors (1439043).

2172093 is a wasteful number, since it uses less digits than its factorization.

2172093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2172093 is about 1473.8022255377. The cubic root of 2172093 is about 129.5068694398.

The spelling of 2172093 in words is "two million, one hundred seventy-two thousand, ninety-three".