245904668 has 12 divisors (see below), whose sum is σ = 430898160. Its totient is φ = 122790912.

The previous prime is 245904667. The next prime is 245904671. The reversal of 245904668 is 866409542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245904667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36896 + ... + 43047.

It is an arithmetic number, because the mean of its divisors is an integer number (35908180).

Almost surely, 2^245904668 is an apocalyptic number.

It is an amenable number.

245904668 is a deficient number, since it is larger than the sum of its proper divisors (184993492).

245904668 is a wasteful number, since it uses less digits than its factorization.

245904668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80716 (or 80714 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 245904668 is about 15681.3477737087. The cubic root of 245904668 is about 626.5017056119.

The spelling of 245904668 in words is "two hundred forty-five million, nine hundred four thousand, six hundred sixty-eight".