260806215 has 16 divisors (see below), whose sum is σ = 420339168. Its totient is φ = 138080256.

The previous prime is 260806213. The next prime is 260806219. The reversal of 260806215 is 512608062.

It is not a de Polignac number, because 260806215 - 2¹ = 260806213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260806211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61402 + ... + 65511.

It is an arithmetic number, because the mean of its divisors is an integer number (26271198).

Almost surely, 2^260806215 is an apocalyptic number.

260806215 is a deficient number, since it is larger than the sum of its proper divisors (159532953).

260806215 is a wasteful number, since it uses less digits than its factorization.

260806215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127058.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 260806215 is about 16149.4958125633. The cubic root of 260806215 is about 638.9094505572.

The spelling of 260806215 in words is "two hundred sixty million, eight hundred six thousand, two hundred fifteen".