2193306 has 16 divisors (see below), whose sum is σ = 4644864. Its totient is φ = 688064.

The previous prime is 2193271. The next prime is 2193311. The reversal of 2193306 is 6033912.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10650 + ... + 10853.

It is an arithmetic number, because the mean of its divisors is an integer number (290304).

2^2193306 is an apocalyptic number.

2193306 is an abundant number, since it is smaller than the sum of its proper divisors (2451558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2193306 is a wasteful number, since it uses less digits than its factorization.

2193306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21525.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2193306 is about 1480.9814313488. The cubic root of 2193306 is about 129.9270991661.

Subtracting 2193306 from its reverse (6033912), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2193306 in words is "two million, one hundred ninety-three thousand, three hundred six".