2142344 has 16 divisors (see below), whose sum is σ = 4035420. Its totient is φ = 1066240.

The previous prime is 2142341. The next prime is 2142353. The reversal of 2142344 is 4432412.

It can be written as a sum of positive squares in 2 ways, for example, as 2137444 + 4900 = 1462^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (2142341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772 + ... + 2724.

2^2142344 is an apocalyptic number.

It is an amenable number.

2142344 is a deficient number, since it is larger than the sum of its proper divisors (1893076).

2142344 is a wasteful number, since it uses less digits than its factorization.

2142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1236 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 2142344 is about 1463.6748272755. The cubic root of 2142344 is about 128.9129071811.

Adding to 2142344 its reverse (4432412), we get a palindrome (6574756).

The spelling of 2142344 in words is "two million, one hundred forty-two thousand, three hundred forty-four".