2352440 has 32 divisors (see below), whose sum is σ = 5525280. Its totient is φ = 899712.

The previous prime is 2352433. The next prime is 2352473. The reversal of 2352440 is 442532.

2352440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a d-powerful number, because it can be written as 2³ + 3¹¹ + 5⁷ + 2²¹ + 4 + 4 + 0 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (172665).

2^2352440 is an apocalyptic number.

2352440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352440 is an abundant number, since it is smaller than the sum of its proper divisors (3172840).

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

2352440 is a wasteful number, since it uses less digits than its factorization.

2352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2352440 is about 1533.7666054521. The cubic root of 2352440 is about 132.9962876081.

Adding to 2352440 its reverse (442532), we get a palindrome (2794972).

The spelling of 2352440 in words is "two million, three hundred fifty-two thousand, four hundred forty".