2193633 has 12 divisors (see below), whose sum is σ = 3412500. Its totient is φ = 1349856.

The previous prime is 2193601. The next prime is 2193637. The reversal of 2193633 is 3363912.

2193633 is a `hidden beast` number, since 21 + 9 + 3 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 1361889 = 912^2 + 1167^2 .

It is not a de Polignac number, because 2193633 - 2⁵ = 2193601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2193597 and 2193606.

It is not an unprimeable number, because it can be changed into a prime (2193637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9258 + ... + 9491.

It is an arithmetic number, because the mean of its divisors is an integer number (284375).

2^2193633 is an apocalyptic number.

It is an amenable number.

2193633 is a deficient number, since it is larger than the sum of its proper divisors (1218867).

2193633 is a wasteful number, since it uses less digits than its factorization.

2193633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768 (or 18765 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 2193633 is about 1481.0918269979. The cubic root of 2193633 is about 129.9335557891.

The spelling of 2193633 in words is "two million, one hundred ninety-three thousand, six hundred thirty-three".