2146918 has 8 divisors (see below), whose sum is σ = 3242160. Its totient is φ = 1066200.

The previous prime is 2146909. The next prime is 2146939. The reversal of 2146918 is 8196412.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2146918.

It is a congruent number.

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, 3253 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (405270).

2^2146918 is an apocalyptic number.

2146918 is a deficient number, since it is larger than the sum of its proper divisors (1095242).

2146918 is a wasteful number, since it uses less digits than its factorization.

2146918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262.

The product of its digits is 3456, while the sum is 31.

The square root of 2146918 is about 1465.2364996819. The cubic root of 2146918 is about 129.0045869010.

The spelling of 2146918 in words is "two million, one hundred forty-six thousand, nine hundred eighteen".