240837985 has 4 divisors (see below), whose sum is σ = 289005588. Its totient is φ = 192670384.

The previous prime is 240837983. The next prime is 240838001. The reversal of 240837985 is 589738042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159188689 + 81649296 = 12617^2 + 9036^2 .

It is a cyclic number.

It is not a de Polignac number, because 240837985 - 2¹ = 240837983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240837983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24083794 + ... + 24083803.

It is an arithmetic number, because the mean of its divisors is an integer number (72251397).

Almost surely, 2^240837985 is an apocalyptic number.

It is an amenable number.

240837985 is a deficient number, since it is larger than the sum of its proper divisors (48167603).

240837985 is an equidigital number, since it uses as much as digits as its factorization.

240837985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48167602.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 240837985 is about 15518.9556671833. The cubic root of 240837985 is about 622.1689427464.

The spelling of 240837985 in words is "two hundred forty million, eight hundred thirty-seven thousand, nine hundred eighty-five".