240904406 has 8 divisors (see below), whose sum is σ = 361461744. Its totient is φ = 120417160.

The previous prime is 240904387. The next prime is 240904427. The reversal of 240904406 is 604409042.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7865 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (45182718).

Almost surely, 2^240904406 is an apocalyptic number.

240904406 is a deficient number, since it is larger than the sum of its proper divisors (120557338).

240904406 is a wasteful number, since it uses less digits than its factorization.

240904406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35046.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 240904406 is about 15521.0955154590. The cubic root of 240904406 is about 622.2261337316.

The spelling of 240904406 in words is "two hundred forty million, nine hundred four thousand, four hundred six".