2140248 has 64 divisors (see below), whose sum is σ = 5973120. Its totient is φ = 638880.

The previous prime is 2140231. The next prime is 2140253. The reversal of 2140248 is 8420412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31911 + ... + 31977.

It is an arithmetic number, because the mean of its divisors is an integer number (93330).

2^2140248 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 2140248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2986560).

2140248 is an abundant number, since it is smaller than the sum of its proper divisors (3832872).

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

2140248 is a wasteful number, since it uses less digits than its factorization.

2140248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2140248 is about 1462.9586460321. The cubic root of 2140248 is about 128.8708520583.

The spelling of 2140248 in words is "two million, one hundred forty thousand, two hundred forty-eight".