260857463 has 4 divisors (see below), whose sum is σ = 264000408. Its totient is φ = 257714520.

The previous prime is 260857417. The next prime is 260857489. The reversal of 260857463 is 364758062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260857463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260857463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260851463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571348 + ... + 1571513.

It is an arithmetic number, because the mean of its divisors is an integer number (66000102).

Almost surely, 2^260857463 is an apocalyptic number.

260857463 is a deficient number, since it is larger than the sum of its proper divisors (3142945).

260857463 is an equidigital number, since it uses as much as digits as its factorization.

260857463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142944.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 260857463 is about 16151.0824095477. The cubic root of 260857463 is about 638.9512960415.

The spelling of 260857463 in words is "two hundred sixty million, eight hundred fifty-seven thousand, four hundred sixty-three".