2146249 has 6 divisors (see below), whose sum is σ = 2496714. Its totient is φ = 1839600.

The previous prime is 2146247. The next prime is 2146253. The reversal of 2146249 is 9426412.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 283024 = 1365^2 + 532^2 .

It is not a de Polignac number, because 2146249 - 2¹ = 2146247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21852 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (416119).

2^2146249 is an apocalyptic number.

It is an amenable number.

2146249 is a deficient number, since it is larger than the sum of its proper divisors (350465).

2146249 is an equidigital number, since it uses as much as digits as its factorization.

2146249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43815 (or 43808 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2146249 is about 1465.0081911034. The cubic root of 2146249 is about 128.9911858249.

The spelling of 2146249 in words is "two million, one hundred forty-six thousand, two hundred forty-nine".