2158316 has 12 divisors (see below), whose sum is σ = 3795288. Its totient is φ = 1073952.

The previous prime is 2158307. The next prime is 2158333. The reversal of 2158316 is 6138512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 2096.

It is an arithmetic number, because the mean of its divisors is an integer number (316274).

2^2158316 is an apocalyptic number.

It is an amenable number.

2158316 is a deficient number, since it is larger than the sum of its proper divisors (1636972).

2158316 is a wasteful number, since it uses less digits than its factorization.

2158316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 2158316 is about 1469.1208255280. The cubic root of 2158316 is about 129.2324794457.

The spelling of 2158316 in words is "two million, one hundred fifty-eight thousand, three hundred sixteen".