207648256 has 40 divisors (see below), whose sum is σ = 423767520. Its totient is φ = 101603328.

The previous prime is 207648253. The next prime is 207648263. The reversal of 207648256 is 652846702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207648253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19750 + ... + 28378.

It is an arithmetic number, because the mean of its divisors is an integer number (10594188).

Almost surely, 2^207648256 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 207648256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211883760).

207648256 is an abundant number, since it is smaller than the sum of its proper divisors (216119264).

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

207648256 is an frugal number, since it uses more digits than its factorization.

207648256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694 (or 8678 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 207648256 is about 14410.0054129067. The cubic root of 207648256 is about 592.1650379893.

The spelling of 207648256 in words is "two hundred seven million, six hundred forty-eight thousand, two hundred fifty-six".