240299985 has 8 divisors (see below), whose sum is σ = 384480000. Its totient is φ = 128159984.

The previous prime is 240299977. The next prime is 240300001. The reversal of 240299985 is 589992042.

It is a happy number.

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 240299985 - 2³ = 240299977 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8009985 + ... + 8010014.

It is an arithmetic number, because the mean of its divisors is an integer number (48060000).

Almost surely, 2^240299985 is an apocalyptic number.

It is an amenable number.

240299985 is a deficient number, since it is larger than the sum of its proper divisors (144180015).

240299985 is a wasteful number, since it uses less digits than its factorization.

240299985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16020007.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 240299985 is about 15501.6123354959. The cubic root of 240299985 is about 621.7053164818.

The spelling of 240299985 in words is "two hundred forty million, two hundred ninety-nine thousand, nine hundred eighty-five".