260685842 has 4 divisors (see below), whose sum is σ = 391028766. Its totient is φ = 130342920.

The previous prime is 260685827. The next prime is 260685881. The reversal of 260685842 is 248586062.

260685842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248586062 = 2 ⋅124293031.

It can be written as a sum of positive squares in only one way, i.e., 208253761 + 52432081 = 14431^2 + 7241^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 260685842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65171459 + ... + 65171462.

Almost surely, 2^260685842 is an apocalyptic number.

260685842 is a deficient number, since it is larger than the sum of its proper divisors (130342924).

260685842 is a wasteful number, since it uses less digits than its factorization.

260685842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130342923.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 260685842 is about 16145.7685478270. The cubic root of 260685842 is about 638.8111409338.

The spelling of 260685842 in words is "two hundred sixty million, six hundred eighty-five thousand, eight hundred forty-two".