2344840 has 48 divisors (see below), whose sum is σ = 5540940. Its totient is φ = 892800.

The previous prime is 2344819. The next prime is 2344889. The reversal of 2344840 is 484432.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 311364 = 1426^2 + 558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38410 + ... + 38470.

2^2344840 is an apocalyptic number.

2344840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2344840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2770470).

2344840 is an abundant number, since it is smaller than the sum of its proper divisors (3196100).

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

2344840 is a wasteful number, since it uses less digits than its factorization.

2344840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2344840 is about 1531.2870403683. The cubic root of 2344840 is about 132.8529099180.

The spelling of 2344840 in words is "two million, three hundred forty-four thousand, eight hundred forty".