260387296 has 72 divisors (see below), whose sum is σ = 566931960. Its totient is φ = 116994816.

The previous prime is 260387291. The next prime is 260387327. The reversal of 260387296 is 692783062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260387291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527981 + ... + 2528083.

It is an arithmetic number, because the mean of its divisors is an integer number (7874055).

Almost surely, 2^260387296 is an apocalyptic number.

260387296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260387296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283465980).

260387296 is an abundant number, since it is smaller than the sum of its proper divisors (306544664).

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

260387296 is a wasteful number, since it uses less digits than its factorization.

260387296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 260387296 is about 16136.5205667145. The cubic root of 260387296 is about 638.5671852719.

The spelling of 260387296 in words is "two hundred sixty million, three hundred eighty-seven thousand, two hundred ninety-six".