240404343 has 8 divisors (see below), whose sum is σ = 326587248. Its totient is φ = 157245504.

The previous prime is 240404317. The next prime is 240404363. The reversal of 240404343 is 343404042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240404343 - 2⁹ = 240403831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240404363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755830 + ... + 756147.

It is an arithmetic number, because the mean of its divisors is an integer number (40823406).

Almost surely, 2^240404343 is an apocalyptic number.

240404343 is a deficient number, since it is larger than the sum of its proper divisors (86182905).

240404343 is a wasteful number, since it uses less digits than its factorization.

240404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512033.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 240404343 is about 15504.9780070789. The cubic root of 240404343 is about 621.7953019689.

Adding to 240404343 its reverse (343404042), we get a palindrome (583808385).

The spelling of 240404343 in words is "two hundred forty million, four hundred four thousand, three hundred forty-three".