2146867 has 8 divisors (see below), whose sum is σ = 2273360. Its totient is φ = 2027376.

The previous prime is 2146853. The next prime is 2146897. The reversal of 2146867 is 7686412.

It is a de Polignac number, because none of the positive numbers 2^k-2146867 is a prime.

It is a Duffinian number.

2146867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2146817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (284170).

2^2146867 is an apocalyptic number.

2146867 is a deficient number, since it is larger than the sum of its proper divisors (126493).

2146867 is an frugal number, since it uses more digits than its factorization.

2146867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 332 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 2146867 is about 1465.2190962447. The cubic root of 2146867 is about 129.0035653923.

The spelling of 2146867 in words is "two million, one hundred forty-six thousand, eight hundred sixty-seven".