260976928 has 48 divisors (see below), whose sum is σ = 545612760. Its totient is φ = 122454016.

The previous prime is 260976899. The next prime is 260976943. The reversal of 260976928 is 829679062.

It can be written as a sum of positive squares in 4 ways, for example, as 260757904 + 219024 = 16148^2 + 468^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322188 + ... + 322996.

Almost surely, 2^260976928 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 260976928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272806380).

260976928 is an abundant number, since it is smaller than the sum of its proper divisors (284635832).

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

260976928 is a wasteful number, since it uses less digits than its factorization.

260976928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 260976928 is about 16154.7803451486. The cubic root of 260976928 is about 639.0488214180.

The spelling of 260976928 in words is "two hundred sixty million, nine hundred seventy-six thousand, nine hundred twenty-eight".