245849856 has 216 divisors, whose sum is σ = 782933760. Its totient is φ = 68253696.

The previous prime is 245849843. The next prime is 245849887. The reversal of 245849856 is 658948542.

It is a happy number.

245849856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245849799 and 245849808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1768635 + ... + 1768773.

Almost surely, 2^245849856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245849856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391466880).

245849856 is an abundant number, since it is smaller than the sum of its proper divisors (537083904).

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

245849856 is a wasteful number, since it uses less digits than its factorization.

245849856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 198 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The square root of 245849856 is about 15679.5999948978. The cubic root of 245849856 is about 626.4551532040.

The spelling of 245849856 in words is "two hundred forty-five million, eight hundred forty-nine thousand, eight hundred fifty-six".