2340144 has 40 divisors (see below), whose sum is σ = 6718320. Its totient is φ = 779904.

The previous prime is 2340133. The next prime is 2340167. The reversal of 2340144 is 4410432.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (167958).

2^2340144 is an apocalyptic number.

2340144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2340144 is an abundant number, since it is smaller than the sum of its proper divisors (4378176).

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

2340144 is a wasteful number, since it uses less digits than its factorization.

2340144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2340144 is about 1529.7529212262. The cubic root of 2340144 is about 132.7641626819.

Adding to 2340144 its reverse (4410432), we get a palindrome (6750576).

The spelling of 2340144 in words is "two million, three hundred forty thousand, one hundred forty-four".