260948646 has 48 divisors (see below), whose sum is σ = 652464384. Its totient is φ = 73829232.

The previous prime is 260948621. The next prime is 260948659. The reversal of 260948646 is 646849062.

It is a Curzon number.

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, 2925 + ... + 23031.

It is an arithmetic number, because the mean of its divisors is an integer number (13593008).

Almost surely, 2^260948646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260948646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326232192).

260948646 is an abundant number, since it is smaller than the sum of its proper divisors (391515738).

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

260948646 is a wasteful number, since it uses less digits than its factorization.

260948646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20225 (or 20222 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 260948646 is about 16153.9049768160. The cubic root of 260948646 is about 639.0257360673.

The spelling of 260948646 in words is "two hundred sixty million, nine hundred forty-eight thousand, six hundred forty-six".