2197306 has 8 divisors (see below), whose sum is σ = 3337920. Its totient is φ = 1084668.

The previous prime is 2197289. The next prime is 2197309. The reversal of 2197306 is 6037912.

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

It is not an unprimeable number, because it can be changed into a prime (2197309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6796 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (417240).

2^2197306 is an apocalyptic number.

2197306 is a deficient number, since it is larger than the sum of its proper divisors (1140614).

2197306 is a wasteful number, since it uses less digits than its factorization.

2197306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2197306 is about 1482.3312720172. The cubic root of 2197306 is about 130.0060352228.

Subtracting 2197306 from its reverse (6037912), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2197306 in words is "two million, one hundred ninety-seven thousand, three hundred six".