2324340 has 72 divisors (see below), whose sum is σ = 7261800. Its totient is φ = 601344.

The previous prime is 2324317. The next prime is 2324351. The reversal of 2324340 is 434232.

2324340 is a `hidden beast` number, since 2 + 324 + 340 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 1425636 = 948^2 + 1194^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6486 + ... + 6834.

2^2324340 is an apocalyptic number.

2324340 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 2324340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3630900).

2324340 is an abundant number, since it is smaller than the sum of its proper divisors (4937460).

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

2324340 is a wasteful number, since it uses less digits than its factorization.

2324340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2324340 is about 1524.5786303107. The cubic root of 2324340 is about 132.4646161598.

Adding to 2324340 its reverse (434232), we get a palindrome (2758572).

The spelling of 2324340 in words is "two million, three hundred twenty-four thousand, three hundred forty".