240008399 has 8 divisors (see below), whose sum is σ = 255840000. Its totient is φ = 224496792.

The previous prime is 240008393. The next prime is 240008411. The reversal of 240008399 is 993800042.

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

It is a cyclic number.

It is not a de Polignac number, because 240008399 - 2⁸ = 240008143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240008393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78449 + ... + 81450.

It is an arithmetic number, because the mean of its divisors is an integer number (31980000).

Almost surely, 2^240008399 is an apocalyptic number.

240008399 is a deficient number, since it is larger than the sum of its proper divisors (15831601).

240008399 is a wasteful number, since it uses less digits than its factorization.

240008399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159997.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 240008399 is about 15492.2044590174. The cubic root of 240008399 is about 621.4537504523.

The spelling of 240008399 in words is "two hundred forty million, eight thousand, three hundred ninety-nine".