260399286 has 48 divisors (see below), whose sum is σ = 668688384. Its totient is φ = 74398824.

The previous prime is 260399239. The next prime is 260399299. The reversal of 260399286 is 682993062.

260399286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 34870 + ... + 41673.

It is an arithmetic number, because the mean of its divisors is an integer number (13931008).

Almost surely, 2^260399286 is an apocalyptic number.

260399286 is an abundant number, since it is smaller than the sum of its proper divisors (408289098).

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

260399286 is an equidigital number, since it uses as much as digits as its factorization.

260399286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76567 (or 76555 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 260399286 is about 16136.8920799515. The cubic root of 260399286 is about 638.5769864452.

The spelling of 260399286 in words is "two hundred sixty million, three hundred ninety-nine thousand, two hundred eighty-six".