2168308 has 12 divisors (see below), whose sum is σ = 3805312. Its totient is φ = 1081080.

The previous prime is 2168303. The next prime is 2168317. The reversal of 2168308 is 8038612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168303) 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, 1693 + ... + 2683.

2^2168308 is an apocalyptic number.

It is an amenable number.

2168308 is a deficient number, since it is larger than the sum of its proper divisors (1637004).

2168308 is a wasteful number, since it uses less digits than its factorization.

2168308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2168308 is about 1472.5175720513. The cubic root of 2168308 is about 129.4316012535.

The spelling of 2168308 in words is "two million, one hundred sixty-eight thousand, three hundred eight".