260346399 has 8 divisors (see below), whose sum is σ = 347498880. Its totient is φ = 173379096.

The previous prime is 260346343. The next prime is 260346403. The reversal of 260346399 is 993643062.

260346399 is nontrivially palindromic in base 2.

260346399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 260346399 - 2⁹ = 260345887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260346399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260346299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42979 + ... + 48660.

It is an arithmetic number, because the mean of its divisors is an integer number (43437360).

Almost surely, 2^260346399 is an apocalyptic number.

260346399 is a deficient number, since it is larger than the sum of its proper divisors (87152481).

260346399 is an equidigital number, since it uses as much as digits as its factorization.

260346399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92589.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 260346399 is about 16135.2532982907. The cubic root of 260346399 is about 638.5337519337.

The spelling of 260346399 in words is "two hundred sixty million, three hundred forty-six thousand, three hundred ninety-nine".