260390797 has 8 divisors (see below), whose sum is σ = 281082240. Its totient is φ = 240480240.

The previous prime is 260390791. The next prime is 260390807. The reversal of 260390797 is 797093062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260390797 - 2³ = 260390789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260390791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194529 + ... + 195862.

It is an arithmetic number, because the mean of its divisors is an integer number (35135280).

Almost surely, 2^260390797 is an apocalyptic number.

It is an amenable number.

260390797 is a deficient number, since it is larger than the sum of its proper divisors (20691443).

260390797 is a wasteful number, since it uses less digits than its factorization.

260390797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390443.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 260390797 is about 16136.6290469850. The cubic root of 260390797 is about 638.5700471802.

The spelling of 260390797 in words is "two hundred sixty million, three hundred ninety thousand, seven hundred ninety-seven".