2144492 has 48 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 834624.

The previous prime is 2144491. The next prime is 2144501. The reversal of 2144492 is 2944412.

It is not an unprimeable number, because it can be changed into a prime (2144491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15359 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (98000).

2^2144492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352000).

2144492 is an abundant number, since it is smaller than the sum of its proper divisors (2559508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144492 is a wasteful number, since it uses less digits than its factorization.

2144492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 196 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2144492 is about 1464.4084129777. The cubic root of 2144492 is about 128.9559772064.

The spelling of 2144492 in words is "two million, one hundred forty-four thousand, four hundred ninety-two".