245881384 has 16 divisors (see below), whose sum is σ = 526888800. Its totient is φ = 105377712.

The previous prime is 245881327. The next prime is 245881397. The reversal of 245881384 is 483188542.

It is a happy number.

245881384 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 245881384.

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, 2195314 + ... + 2195425.

It is an arithmetic number, because the mean of its divisors is an integer number (32930550).

Almost surely, 2^245881384 is an apocalyptic number.

It is an amenable number.

245881384 is an abundant number, since it is smaller than the sum of its proper divisors (281007416).

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

245881384 is a wasteful number, since it uses less digits than its factorization.

245881384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390752 (or 4390748 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 245881384 is about 15680.6053454578. The cubic root of 245881384 is about 626.4819311111.

The spelling of 245881384 in words is "two hundred forty-five million, eight hundred eighty-one thousand, three hundred eighty-four".