240985406 has 8 divisors (see below), whose sum is σ = 361926264. Its totient is φ = 120343320.

The previous prime is 240985333. The next prime is 240985429. The reversal of 240985406 is 604589042.

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

It is a self number, because there is not a number n which added to its sum of digits gives 240985406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72665 + ... + 75908.

It is an arithmetic number, because the mean of its divisors is an integer number (45240783).

Almost surely, 2^240985406 is an apocalyptic number.

240985406 is a deficient number, since it is larger than the sum of its proper divisors (120940858).

240985406 is a wasteful number, since it uses less digits than its factorization.

240985406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149386.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 240985406 is about 15523.7046480536. The cubic root of 240985406 is about 622.2958635606.

The spelling of 240985406 in words is "two hundred forty million, nine hundred eighty-five thousand, four hundred six".