245693688 has 16 divisors (see below), whose sum is σ = 614234280. Its totient is φ = 81897888.

The previous prime is 245693681. The next prime is 245693717. The reversal of 245693688 is 886396542.

245693688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245693688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245693681) by changing a digit.

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, 5118595 + ... + 5118642.

Almost surely, 2^245693688 is an apocalyptic number.

It is an amenable number.

245693688 is an abundant number, since it is smaller than the sum of its proper divisors (368540592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245693688 is a wasteful number, since it uses less digits than its factorization.

245693688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237246 (or 10237242 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 245693688 is about 15674.6192298250. The cubic root of 245693688 is about 626.3224801270.

The spelling of 245693688 in words is "two hundred forty-five million, six hundred ninety-three thousand, six hundred eighty-eight".