240304906 has 4 divisors (see below), whose sum is σ = 360457362. Its totient is φ = 120152452.

The previous prime is 240304891. The next prime is 240304919. The reversal of 240304906 is 609403042.

240304906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 192071881 + 48233025 = 13859^2 + 6945^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60076225 + ... + 60076228.

Almost surely, 2^240304906 is an apocalyptic number.

240304906 is a deficient number, since it is larger than the sum of its proper divisors (120152456).

240304906 is a wasteful number, since it uses less digits than its factorization.

240304906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120152455.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 240304906 is about 15501.7710601079. The cubic root of 240304906 is about 621.7095603313.

Adding to 240304906 its reverse (609403042), we get a palindrome (849707948).

The spelling of 240304906 in words is "two hundred forty million, three hundred four thousand, nine hundred six".