863248641 has 16 divisors (see below), whose sum is σ = 1216665600. Its totient is φ = 542919888.

The previous prime is 863248621. The next prime is 863248651. The reversal of 863248641 is 146842368.

It is not a de Polignac number, because 863248641 - 2⁷ = 863248513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 863248593 and 863248602.

It is not an unprimeable number, because it can be changed into a prime (863248621) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 18061 + ... + 45306.

It is an arithmetic number, because the mean of its divisors is an integer number (76041600).

Almost surely, 2^863248641 is an apocalyptic number.

It is an amenable number.

863248641 is a deficient number, since it is larger than the sum of its proper divisors (353416959).

863248641 is a wasteful number, since it uses less digits than its factorization.

863248641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63628.

The product of its digits is 221184, while the sum is 42.

The square root of 863248641 is about 29381.0932573994. The cubic root of 863248641 is about 952.1644612800.

The spelling of 863248641 in words is "eight hundred sixty-three million, two hundred forty-eight thousand, six hundred forty-one".