2193608 has 8 divisors (see below), whose sum is σ = 4113030. Its totient is φ = 1096800.

The previous prime is 2193601. The next prime is 2193637. The reversal of 2193608 is 8063912.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 114244 = 1442^2 + 338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2193601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137093 + ... + 137108.

2^2193608 is an apocalyptic number.

It is an amenable number.

2193608 is a deficient number, since it is larger than the sum of its proper divisors (1919422).

2193608 is a wasteful number, since it uses less digits than its factorization.

2193608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274207 (or 274203 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2193608 is about 1481.0833872541. The cubic root of 2193608 is about 129.9330621862.

The spelling of 2193608 in words is "two million, one hundred ninety-three thousand, six hundred eight".